diff --git a/app/views/repositories/_related_issues.html.erb b/app/views/repositories/_related_issues.html.erb
index bc843b3ec..9d3074112 100644
--- a/app/views/repositories/_related_issues.html.erb
+++ b/app/views/repositories/_related_issues.html.erb
@@ -36,3 +36,5 @@
   <% end %>
 <% end %>
 </div>
+
+<%= javascript_tag "observeAutocompleteField('issue_id', '#{escape_javascript auto_complete_issues_path(:project_id => @project, :scope => 'all')}')" %>