diff --git a/module/VuFind/src/VuFind/View/Helper/Root/JqueryValidation.php b/module/VuFind/src/VuFind/View/Helper/Root/JqueryValidation.php
index 1ab81068be3a4d277719dce9c875326bc21bd772..4981ae2aae6e3ec9671143dc2c36548b2bb8016a 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/JqueryValidation.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/JqueryValidation.php
@@ -79,7 +79,7 @@ class JqueryValidation extends AbstractHelper
                 $output .= ',';
             }
             $translator = $this->getView()->plugin('translate');
-            $message = $translator($message);
+            $message = addslashes($translator($message));
             $output .= "$rule:'$message'";
             $first = false;
         }