diff --git a/frontend-js/src/main/js/GuiConnector.js b/frontend-js/src/main/js/GuiConnector.js
index d7ff4cc74fb49ec16f7546eafbcf942aaa6222c5..ca5d0d35f2c89ecb7a72d22413264ea6a87743ae 100644
--- a/frontend-js/src/main/js/GuiConnector.js
+++ b/frontend-js/src/main/js/GuiConnector.js
@@ -106,7 +106,7 @@ GuiConnector.updateMouseCoordinates = function(x, y) {
 };
 
 GuiConnector.alert = function(error) {
-  var self = this;
+  var self = GuiConnector;
   logger.error(error);
   if (self._errorDialog === undefined) {
     self._errorDialog = document.createElement("div");