diff --git a/spec/controllers/projects/pull_requests_controller_spec.rb b/spec/controllers/projects/pull_requests_controller_spec.rb
index 85ba6a1be..dd8e81d9c 100644
--- a/spec/controllers/projects/pull_requests_controller_spec.rb
+++ b/spec/controllers/projects/pull_requests_controller_spec.rb
@@ -310,12 +310,6 @@ describe Projects::PullRequestsController do
       ActionMailer::Base.deliveries.count.should == 3
     end
 
-    it 'should send email message to new assignee' do
-      put :update, @update_params.deep_merge(:pull_request => {:assignee_id => @project_reader.id})
-      @project.pull_requests.last.issue.send(:send_assign_notifications)
-      ActionMailer::Base.deliveries.count.should == 1
-    end
-
     it 'should not duplicate email message' do
       post :create, @create_params.deep_merge(:issue => {:assignee_id => @project_admin.id})
       @project.pull_requests.last.issue.send(:new_issue_notifications)
diff --git a/spec/models/issue_spec.rb b/spec/models/issue_spec.rb
index df89c3875..103a019c8 100644
--- a/spec/models/issue_spec.rb
+++ b/spec/models/issue_spec.rb
@@ -50,6 +50,14 @@ describe Issue do
       Comment.where(:automatic => true, :commentable_type => 'Issue',
                     :created_from_issue_id => another_issue.id).count.should == 1
     end
+
+    it 'should send email message to new assignee' do
+      create_issue(@user)
+      ActionMailer::Base.deliveries = []
+      @issue.update_attribute :assignee_id, @user.id
+      @issue.send(:send_assign_notifications, :update)
+      ActionMailer::Base.deliveries.count.should == 1
+    end
   end
 
   context 'for member-group' do