diff --git a/modules/system/classes/Controller.php b/modules/system/classes/Controller.php
index 32c559e1c..f5306b585 100644
--- a/modules/system/classes/Controller.php
+++ b/modules/system/classes/Controller.php
@@ -35,7 +35,7 @@ class Controller extends ControllerBase
 
         }
         catch (Exception $ex) {
-            return '/* '.$ex->getMessage().' */';
+            return '/* '.e($ex->getMessage()).' */';
         }
     }
 }