diff --git a/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php b/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php
index 03618c9a35bcfb57b0ffc7a838c8295e67916079..1d851b28c295166bc2c2ad63283ad855e8c503c2 100644
--- a/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php
+++ b/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php
@@ -2102,7 +2102,7 @@ protected function formatThemes($themes) {
       $fixed[] = $template;
     }
 
-    return implode(', ', array_reverse($fixed));
+    return theme('item_list', array('items' => array_reverse($fixed)));
   }
 
   /**