diff --git a/ui/scripts/storage.js b/ui/scripts/storage.js
index 68cf55e0dcb..4d852c2866b 100644
--- a/ui/scripts/storage.js
+++ b/ui/scripts/storage.js
@@ -142,6 +142,9 @@
                        }
                       }
                     );
+                  },
+                  error: function(json) {
+                    args.response.error(parseXMLHttpResponse(json));
                   }
                 });
               },