diff --git a/app/assets/javascripts/angularjs/controllers/project_schedule_controller.js b/app/assets/javascripts/angularjs/controllers/project_schedule_controller.js
index eb2b7124b..3daf59b45 100644
--- a/app/assets/javascripts/angularjs/controllers/project_schedule_controller.js
+++ b/app/assets/javascripts/angularjs/controllers/project_schedule_controller.js
@@ -6,29 +6,19 @@ RosaABF.controller('ProjectScheduleController', ['$scope', '$http', function($sc
     '1': 'autostart_statuses.1',
     '2': 'autostart_statuses.2'
   };
-  $scope.project  = null;
-  $scope.owner    = null;
   $scope.items    = [];
 
-
-  $scope.init = function(name_with_owner) {
-    var arr = name_with_owner.split('/');
-    $scope.owner    = arr[0];
-    $scope.project  = arr[1];
-  }
-
   $scope.updateStatus = function() {
     $http.put(
-      Routes.project_path($scope.owner, $scope.project),
+      Routes.project_path($scope.name_with_owner),
       {project: {autostart_status: $scope.autostart_status}, format: 'json'}
     );
   }
 
   $scope.updateSchedule = function(obj) {
     $http.put(
-      Routes.project_schedule_path($scope.owner, $scope.project),
+      Routes.project_schedule_path($scope.name_with_owner),
       {enabled: obj.enabled, auto_publish: obj.auto_publish, repository_id: obj.repository_id, format: 'json'}
     );
   }
-
-}]);
\ No newline at end of file
+}]);
diff --git a/app/assets/javascripts/angularjs/models/build_list.js.erb b/app/assets/javascripts/angularjs/models/build_list.js.erb
index d268d0887..d818e9d67 100644
--- a/app/assets/javascripts/angularjs/models/build_list.js.erb
+++ b/app/assets/javascripts/angularjs/models/build_list.js.erb
@@ -35,8 +35,8 @@ var BuildList = function(atts, dictionary) {
       self.version_link_text  = self.commit_hash || self.project_version;
       self.version_link_url   = Routes.commit_path(self.project.owner, self.project.name, self.version_link_text);
     }
-    self.project.url = Routes.project_path(self.project.owner, self.project.name);
     self.project.name_with_owner = self.project.owner + '/' + self.project.name;
+    self.project.url = Routes.project_path(self.project.name_with_owner);
   }
 
   if (self.user)
diff --git a/app/controllers/platforms/products_controller.rb b/app/controllers/platforms/products_controller.rb
index c3ca3a48e..0fdba7309 100644
--- a/app/controllers/platforms/products_controller.rb
+++ b/app/controllers/platforms/products_controller.rb
@@ -67,8 +67,6 @@ class Platforms::ProductsController < Platforms::BaseController
   protected
 
   def set_project
-    args = params[:src_project].try(:split, '/') || []
-    @product.project = (args.length == 2) ?
-      Project.find_by_owner_and_name(*args) : nil
+    @product.project = Project.find_by_owner_and_name params[:src_project]
   end
 end
diff --git a/app/controllers/projects/base_controller.rb b/app/controllers/projects/base_controller.rb
index 7bd0dd194..081c803c1 100644
--- a/app/controllers/projects/base_controller.rb
+++ b/app/controllers/projects/base_controller.rb
@@ -12,7 +12,7 @@ class Projects::BaseController < ApplicationController
   end
 
   def find_project
-    @project = Project.find_by_owner_and_name!(params[:owner_name], params[:project_name]) if params[:owner_name].present? && params[:project_name].present?
+    @project = Project.find_by_owner_and_name! params[:owner_with_name]
   end
 
   def init_statistics
diff --git a/app/controllers/projects/pull_requests_controller.rb b/app/controllers/projects/pull_requests_controller.rb
index c8486f00c..f1a2f1680 100644
--- a/app/controllers/projects/pull_requests_controller.rb
+++ b/app/controllers/projects/pull_requests_controller.rb
@@ -152,8 +152,7 @@ class Projects::PullRequestsController < Projects::BaseController
   end
 
   def find_destination_project bang=true
-    args = params[:to_project].try(:split, '/') || []
-    project = (args.length == 2) ? Project.find_by_owner_and_name(*args) : nil
+    project = Project.find_by_owner_and_name params[:to_project]
     raise ActiveRecord::RecordNotFound if bang && !project
     project || @project
   end
diff --git a/app/controllers/users/users_controller.rb b/app/controllers/users/users_controller.rb
index 32eee91e0..f3aeaefc0 100644
--- a/app/controllers/users/users_controller.rb
+++ b/app/controllers/users/users_controller.rb
@@ -3,8 +3,7 @@ class Users::UsersController < Users::BaseController
   before_filter :find_user_by_key, only: [:allowed, :discover]
 
   def allowed
-    owner_name, project_name = params[:project].split '/'
-    project = Project.find_by_owner_and_name!(owner_name, project_name ? project_name : '!')
+    project = Project.find_by_owner_and_name! params[:project]
     action = case params[:action_type]
                   when 'git-upload-pack'
                     then :read
diff --git a/app/models/project.rb b/app/models/project.rb
index 7dff5adc4..0eae4e2f2 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -11,6 +11,7 @@ class Project < ActiveRecord::Base
   VISIBILITIES = ['open', 'hidden']
   MAX_OWN_PROJECTS = 32000
   NAME_REGEXP = /[\w\-\+\.]+/
+  OWNER_AND_NAME_REGEXP = /#{User::NAME_REGEXP.source}\/#{NAME_REGEXP.source}/
 
   belongs_to :owner, polymorphic: true, counter_cache: :own_projects_count
   belongs_to :maintainer, class_name: 'User'
@@ -37,7 +38,7 @@ class Project < ActiveRecord::Base
 
   validates :name, uniqueness: { scope: [:owner_id, :owner_type], case_sensitive: false },
                    presence: true,
-                   format: { with: /\A#{NAME_REGEXP}\z/,
+                   format: { with: /\A#{NAME_REGEXP.source}\z/,
                              message: I18n.t("activerecord.errors.project.uname") }
   validates :maintainer_id, presence: true, unless: :new_record?
   validates :url, presence: true, format: { with: /\Ahttps?:\/\/[\S]+\z/ }, if: :mass_import
@@ -95,13 +96,15 @@ class Project < ActiveRecord::Base
   attr_accessor :url, :srpms_list, :mass_import, :add_to_repository_id
 
   class << self
-    def find_by_owner_and_name(owner_name, project_name)
-      where(owner_uname: owner_name, name: project_name).first ||
-        by_owner_and_name(owner_name, project_name).first
+    def find_by_owner_and_name(first, last = nil)
+      arr = first.try(:split, '/') || []
+      arr = (arr << last).compact
+      return nil if arr.length != 2
+      where(owner_uname: arr.first, name: arr.last).first || by_owner_and_name(*arr).first
     end
 
-    def find_by_owner_and_name!(owner_name, project_name)
-      find_by_owner_and_name(owner_name, project_name) or raise ActiveRecord::RecordNotFound
+    def find_by_owner_and_name!(first, last = nil)
+      find_by_owner_and_name(first, last) or raise ActiveRecord::RecordNotFound
     end
   end
 
@@ -114,7 +117,7 @@ class Project < ActiveRecord::Base
   end
 
   def to_param
-    name
+    "#{owner_uname}/#{name}"
   end
 
   def all_members
diff --git a/app/models/user.rb b/app/models/user.rb
index 95cc7a7f3..1a2ddf08c 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -8,6 +8,7 @@ class User < Avatar
   EXTENDED_ROLES = ROLES | ['system']
   LANGUAGES_FOR_SELECT = [['Russian', 'ru'], ['English', 'en']]
   LANGUAGES = LANGUAGES_FOR_SELECT.map(&:last)
+  NAME_REGEXP = /[a-z0-9_]+/
 
   devise :database_authenticatable, :registerable, :omniauthable,
          :recoverable, :rememberable, :validatable, :lockable, :confirmable
@@ -40,7 +41,7 @@ class User < Avatar
   has_many :ssh_keys, dependent: :destroy
 
   validates :uname, presence: true, uniqueness: { case_sensitive: false },
-            format: { with: /\A[a-z0-9_]+\z/ }, reserved_name: true
+            format: { with: /\A#{NAME_REGEXP.source}\z/ }, reserved_name: true
   validate { errors.add(:uname, :taken) if Group.by_uname(uname).present? }
   validates :role, inclusion: { in: EXTENDED_ROLES }, allow_blank: true
   validates :language, inclusion: { in: LANGUAGES }, allow_blank: true
diff --git a/app/views/home/partials/_build_list_notification.haml b/app/views/home/partials/_build_list_notification.haml
index 2e1c14aae..5617d3529 100644
--- a/app/views/home/partials/_build_list_notification.haml
+++ b/app/views/home/partials/_build_list_notification.haml
@@ -4,7 +4,8 @@
   .text
     %span
       = raw t('notifications.bodies.build_task', id: build_list_id, task_link: build_list_path(build_list_id))
-      = raw t('notifications.bodies.project', project_link: link_to("#{project_owner}/#{project_name}", project_path(project_owner, project_name)) )
+      - name_with_owner = "#{project_owner}/#{project_name}"
+      = raw t('notifications.bodies.project', project_link: link_to(name_with_owner, name_with_owner) )
       - message, error = case status
         - when BuildList::BUILD_PENDING
           - ['pending', nil]
diff --git a/app/views/home/partials/_git_delete_branch_notification.haml b/app/views/home/partials/_git_delete_branch_notification.haml
index 4bd299d77..87b10bf7f 100644
--- a/app/views/home/partials/_git_delete_branch_notification.haml
+++ b/app/views/home/partials/_git_delete_branch_notification.haml
@@ -5,7 +5,8 @@
     %span
       -_user_link = defined?(user_email) ? user_link(user, defined?(user_name) ? user_name : user_email) : nil
       = t('notifications.bodies.delete_branch', branch_name: branch_name, user_link: _user_link).html_safe
-      = raw t("notifications.bodies.project", project_link: link_to("#{project_owner}/#{project_name}", project_path(project_owner, project_name)) )
+      - name_with_owner = "#{project_owner}/#{project_name}"
+      = raw t("notifications.bodies.project", project_link: link_to(name_with_owner, project_path(name_with_owner)) )
     .both
       = datetime_moment activity_feed.created_at, tag: :span, class: 'date'
   .both
diff --git a/app/views/home/partials/_git_new_push_notification.haml b/app/views/home/partials/_git_new_push_notification.haml
index dd7254024..a72658f31 100644
--- a/app/views/home/partials/_git_new_push_notification.haml
+++ b/app/views/home/partials/_git_new_push_notification.haml
@@ -5,7 +5,8 @@
     %span
       -_user_link = defined?(user_email) ? user_link(user, defined?(user_name) ? user_name : user_email) : nil
       = raw t("notifications.bodies.#{change_type}_branch", {branch_name: branch_name, user_link: _user_link})
-      = raw t("notifications.bodies.project", project_link: link_to("#{project_owner}/#{project_name}", project_path(project_owner, project_name)) )
+      - name_with_owner = "#{project_owner}/#{project_name}"
+      = raw t("notifications.bodies.project", project_link: link_to(name_with_owner, project_path(name_with_owner)) )
     .both
       = datetime_moment activity_feed.created_at, tag: :span, class: 'date'
   .both
diff --git a/app/views/home/partials/_issue_assign_notification.haml b/app/views/home/partials/_issue_assign_notification.haml
index 31f768ec3..5dd7a9944 100644
--- a/app/views/home/partials/_issue_assign_notification.haml
+++ b/app/views/home/partials/_issue_assign_notification.haml
@@ -2,7 +2,8 @@
   .text
     %span
       = raw t("notifications.bodies.issue_assign_notification", { issue_link: link_to(issue_title, project_issue_path(project_owner, project_name, issue_serial_id))})
-      = raw t("notifications.bodies.project", project_link: link_to("#{project_owner}/#{project_name}", project_path(project_owner, project_name)) )
+      - name_with_owner = "#{project_owner}/#{project_name}"
+      = raw t("notifications.bodies.project", project_link: link_to(name_with_owner, project_path(name_with_owner)) )
     .both
       = datetime_moment activity_feed.created_at, tag: :span, class: 'date'
   .both
diff --git a/app/views/home/partials/_new_comment_commit_notification.haml b/app/views/home/partials/_new_comment_commit_notification.haml
index 21d65a4b7..6da76bc68 100644
--- a/app/views/home/partials/_new_comment_commit_notification.haml
+++ b/app/views/home/partials/_new_comment_commit_notification.haml
@@ -5,7 +5,8 @@
     %span
       = raw t("notifications.bodies.new_comment_notification.title", user_link: user_link(user, user_name))
       = raw t("notifications.bodies.new_comment_notification.commit_content", {commit_link: link_to(commit_message, commit_path(project_owner, project_name, commit_id) + "#comment#{comment_id}")})
-      = raw t("notifications.bodies.project", project_link: link_to("#{project_owner}/#{project_name}", project_path(project_owner, project_name)) )
+      - name_with_owner = "#{project_owner}/#{project_name}"
+      = raw t("notifications.bodies.project", project_link: link_to(name_with_owner, project_path(name_with_owner)) )
     .both
       = datetime_moment activity_feed.created_at, tag: :span, class: 'date'
   .both
diff --git a/app/views/home/partials/_new_comment_notification.haml b/app/views/home/partials/_new_comment_notification.haml
index 4298eabe2..61e351e6b 100644
--- a/app/views/home/partials/_new_comment_notification.haml
+++ b/app/views/home/partials/_new_comment_notification.haml
@@ -5,7 +5,8 @@
     %span
       = raw t("notifications.bodies.new_comment_notification.title", {user_link: user_link(user, user_name)})
       = raw t("notifications.bodies.new_comment_notification.content", {issue_link: link_to(issue_title, project_issue_path(project_owner, project_name, issue_serial_id) + "#comment#{comment_id}")})
-      = raw t("notifications.bodies.project", project_link: link_to("#{project_owner}/#{project_name}", project_path(project_owner, project_name)) )
+      - name_with_owner = "#{project_owner}/#{project_name}"
+      = raw t("notifications.bodies.project", project_link: link_to(name_with_owner, project_path(name_with_owner)) )
     .both
       = datetime_moment activity_feed.created_at, tag: :span, class: 'date'
   .both
diff --git a/app/views/home/partials/_new_issue_notification.haml b/app/views/home/partials/_new_issue_notification.haml
index 8f6c58b22..cfb14bf80 100644
--- a/app/views/home/partials/_new_issue_notification.haml
+++ b/app/views/home/partials/_new_issue_notification.haml
@@ -4,7 +4,8 @@
   .text
     %span
       = raw t("notifications.bodies.new_issue_notification", { user_link: user_link(user, user_name), issue_link: project_issue_path(project_owner, project_name, issue_serial_id)})
-      = raw t("notifications.bodies.project", project_link: link_to("#{project_owner}/#{project_name}", project_path(project_owner, project_name)) )
+      - name_with_owner = "#{project_owner}/#{project_name}"
+      = raw t("notifications.bodies.project", project_link: link_to(name_with_owner, project_path(name_with_owner)) )
     .both
       = datetime_moment activity_feed.created_at, tag: :span, class: 'date'
   .both
diff --git a/app/views/home/partials/_wiki_new_commit_notification.haml b/app/views/home/partials/_wiki_new_commit_notification.haml
index 1a9a25711..0b2c0c32b 100644
--- a/app/views/home/partials/_wiki_new_commit_notification.haml
+++ b/app/views/home/partials/_wiki_new_commit_notification.haml
@@ -4,7 +4,8 @@
   .text
     %span
       = raw t("notifications.bodies.wiki_new_commit_notification", {user_link: user_link(user, user_name), history_link: link_to("wiki", history_project_wiki_index_path(project_owner, project_name))})
-      = raw t("notifications.bodies.project", project_link: link_to("#{project_owner}/#{project_name}", project_path(project_owner, project_name)) )
+      - name_with_owner = "#{project_owner}/#{project_name}"
+      = raw t("notifications.bodies.project", project_link: link_to(name_with_owner, project_path(name_with_owner)) )
     .both
       = datetime_moment activity_feed.created_at, tag: :span, class: 'date'
   .both
diff --git a/app/views/layouts/menu/_bottom.html.haml b/app/views/layouts/menu/_bottom.html.haml
index 3901b8a4f..829321a87 100644
--- a/app/views/layouts/menu/_bottom.html.haml
+++ b/app/views/layouts/menu/_bottom.html.haml
@@ -20,10 +20,10 @@
   %li
     = image_tag 'square.png'
     = link_to t('bottom_menu.developer_api'), t('bottom_menu.developer_api_url')
-  -if Project.find_by_owner_and_name 'abf', 'abf-ideas'
+  -if pr = Project.find_by_owner_and_name('abf/abf-ideas')
     %li
       = image_tag 'square.png'
-      = link_to t('bottom_menu.abf_ideas'), project_issues_url('abf', 'abf-ideas')
+      = link_to t('bottom_menu.abf_ideas'), project_issues_url(pr)
   %li
     = image_tag 'square.png'
     = link_to t('bottom_menu.abf_blog'), t('bottom_menu.abf_blog_url')
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 4e7de8ae8..0ed1f119c 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -292,7 +292,7 @@ Rosa::Application.routes.draw do
         get   :mass_import
       end
     end
-    scope ':owner_name/:project_name', constraints: {project_name: Project::NAME_REGEXP} do # project
+    scope ':owner_with_name', constraints: { owner_with_name: Project::OWNER_AND_NAME_REGEXP } do # project
       scope as: 'project' do
         resources :wiki do
           collection do
@@ -365,7 +365,7 @@ Rosa::Application.routes.draw do
           get '/tags' => "git/trees#tags", as: :tags
           # Branches
           get '/branches' => "git/trees#branches", as: :branches
-          get '/branches/:treeish' => "git/trees#branches", as: :treeish_branch
+          get '/branches/:treeish' => "git/trees#branches", as: :branch
           delete '/branches/:treeish' => "git/trees#destroy", as: :destroy_branch
           put '/branches/:treeish' => "git/trees#restore_branch", as: :restore_branch
           post '/branches' => "git/trees#create", as: :create_branch
diff --git a/lib/ext/rails/url_for.rb b/lib/ext/rails/url_for.rb
deleted file mode 100644
index 012f8d62c..000000000
--- a/lib/ext/rails/url_for.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-module ActionDispatch
-  module Routing
-    module UrlFor
-      def url_for_with_defaults(options = nil)
-        if options.kind_of?(Hash)
-          if project = options[:owner_name] and project.is_a?(Project) # for project routes
-            # set the correct owner and name
-            options[:owner_name], options[:project_name] = project.owner, project
-          end
-        end
-        url_for_without_defaults(options)
-      end
-      alias_method_chain :url_for, :defaults
-    end
-  end
-end
diff --git a/lib/ext/rosa/constraints.rb b/lib/ext/rosa/constraints.rb
index ab55c32bf..5220c8f02 100644
--- a/lib/ext/rosa/constraints.rb
+++ b/lib/ext/rosa/constraints.rb
@@ -22,7 +22,7 @@ module Rosa
       def self.matches?(request)
         if (params = request.path_parameters) && params[:treeish] # parse existing branch (tag) and path
           branch_or_tag = begin
-            (p = Project.find_by_owner_and_name params[:owner_name], params[:project_name]) &&
+            (p = Project.find_by_owner_and_name params[:owner_and_name]) &&
             p.repo.branches_and_tags.map(&:name).sort{|a,b| b.length <=> a.length}.detect{|b| params[:treeish].start_with?(b)} ||
             params[:treeish].split('/').first
           end