diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index 2db9c3f92..ad0ff7f13 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -229,7 +229,8 @@ class RepositoriesController < ApplicationController
   # Adds a related issue to a changeset
   # POST /projects/:project_id/repository/(:repository_id/)revisions/:rev/issues
   def add_related_issue
-    @issue = @changeset.find_referenced_issue_by_id(params[:issue_id])
+    issue_id = params[:issue_id].to_s.sub(/^#/,'')
+    @issue = @changeset.find_referenced_issue_by_id(issue_id)
     if @issue && (!@issue.visible? || @changeset.issues.include?(@issue))
       @issue = nil
     end
diff --git a/test/functional/repositories_controller_test.rb b/test/functional/repositories_controller_test.rb
index ec1847fcd..18558cde1 100644
--- a/test/functional/repositories_controller_test.rb
+++ b/test/functional/repositories_controller_test.rb
@@ -199,6 +199,14 @@ class RepositoriesControllerTest < ActionController::TestCase
     assert_include 'Feature request #2', response.body
   end
 
+  def test_add_related_issue_should_accept_issue_id_with_sharp
+    @request.session[:user_id] = 2
+    assert_difference 'Changeset.find(103).issues.size' do
+      xhr :post, :add_related_issue, :id => 1, :rev => 4, :issue_id => "#2", :format => 'js'
+    end
+    assert_equal [2], Changeset.find(103).issue_ids
+  end
+
   def test_add_related_issue_with_invalid_issue_id
     @request.session[:user_id] = 2
     assert_no_difference 'Changeset.find(103).issues.size' do