diff --git a/d2-tracker/dhis2.angular.services.js b/d2-tracker/dhis2.angular.services.js
index 362ac9586..a24b823af 100644
--- a/d2-tracker/dhis2.angular.services.js
+++ b/d2-tracker/dhis2.angular.services.js
@@ -2769,7 +2769,7 @@ var d2Services = angular.module('d2Services', ['ngResource'])
         },
         "d2:lastEventDate": {
             parameters: 1,
-            execute: function(parameters, variablesHash) {z
+            execute: function(parameters, variablesHash) {
                 var variableName = parameters[0];
                 var variableObject = variablesHash[variableName];
                 var valueFound = "''";