diff --git a/app/assets/stylesheets/backlogs/taskboard.sass b/app/assets/stylesheets/backlogs/taskboard.sass
index 3054ffb736..9502f6b458 100644
--- a/app/assets/stylesheets/backlogs/taskboard.sass
+++ b/app/assets/stylesheets/backlogs/taskboard.sass
@@ -61,6 +61,7 @@
   white-space: inherit
 
 #rb
+  overflow-x: auto
   #assigned_to_id_options
     display: none
   .swimlane