diff --git a/app/controllers/collaborators_controller.rb b/app/controllers/collaborators_controller.rb
index e7a42e304..ba9ecf53f 100644
--- a/app/controllers/collaborators_controller.rb
+++ b/app/controllers/collaborators_controller.rb
@@ -30,10 +30,10 @@ class CollaboratorsController < ApplicationController
   def update
     all_user_ids = []
     all_groups_ids = []
-
+    puts params.inspect
     Relation::ROLES.each { |r| 
-      all_user_ids = all_user_ids | params['user'][r.to_sym].keys if params['user'][r.to_sym]
-      all_groups_ids = all_groups_ids | params['group'][r.to_sym].keys if params['group'][r.to_sym]
+      all_user_ids = all_user_ids | params['user'][r.to_sym].keys if params['user'] && params['user'][r.to_sym]
+      all_groups_ids = all_groups_ids | params['group'][r.to_sym].keys if params['group'] && params['group'][r.to_sym]
     }
 
     # Remove relations
@@ -58,21 +58,17 @@ class CollaboratorsController < ApplicationController
           relation.update_attribute(:role, r)
         else
           relation = @project.relations.build(:object_id => u, :object_type => 'User', :role => r)
-          puts relation.inspect
-          puts r
           relation.save!
         end
-      } if params['user'][r.to_sym]
+      } if params['user'] && params['user'][r.to_sym]
       params['group'][r.to_sym].keys.each { |u|
         if relation = @project.relations.find_by_object_id_and_object_type(u, 'Group')
           relation.update_attribute(:role, r)
         else
           relation = @project.relations.build(:object_id => u, :object_type => 'Group', :role => r)
-          puts relation.inspect
-          puts r
           relation.save!
         end
-      } if params['group'][r.to_sym]
+      } if params['group'] && params['group'][r.to_sym]
     }
 
     if @project.save
diff --git a/spec/controllers/collaborators_controller_spec.rb b/spec/controllers/collaborators_controller_spec.rb
index 2e2b80ffc..f8a2d8819 100644
--- a/spec/controllers/collaborators_controller_spec.rb
+++ b/spec/controllers/collaborators_controller_spec.rb
@@ -5,7 +5,7 @@ describe CollaboratorsController do
 	before(:each) do
     @project = Factory(:project)
     @another_user = Factory(:user)
-    @update_params = {:read => {@another_user.id => '1'}}
+    @update_params = {:user => {:read => {@another_user.id => '1'}}}
 	end
 
 	context 'for guest' do
diff --git a/spec/controllers/projects_controller_spec.rb b/spec/controllers/projects_controller_spec.rb
index dba60a9ca..4567822d2 100644
--- a/spec/controllers/projects_controller_spec.rb
+++ b/spec/controllers/projects_controller_spec.rb
@@ -9,7 +9,6 @@ describe ProjectsController do
     @update_params = {:project => {:name => 'pro2'}}
 
     platform = Factory(:platform)
-    any_instance_of(Project, :collected_project_versions => ['v1.0', 'v2.0'])
     @process_build_params = {:build => {
       :arches => {Factory(:arch).id => '1'}, 
       :project_version => 'v1.0',
@@ -17,6 +16,8 @@ describe ProjectsController do
       :pl => platform.id,
       :update_type => 'security'
     }}
+
+    any_instance_of(Project, :versions => ['v1.0', 'v2.0'])
 	end
 
 	context 'for guest' do