diff --git a/app/helpers/issues_helper.rb b/app/helpers/issues_helper.rb
index 34d20a164..8ea7cd1d3 100644
--- a/app/helpers/issues_helper.rb
+++ b/app/helpers/issues_helper.rb
@@ -87,7 +87,7 @@ module IssuesHelper
              :class => "issue issue-#{child.id} hascontextmenu #{level > 0 ? "idnt idnt-#{level}" : nil}")
     end
     s << '</form></table>'
-    s
+    s.html_safe
   end
 
   def render_custom_fields_rows(issue)