diff --git a/modules/system/assets/ui/js/datepicker.js b/modules/system/assets/ui/js/datepicker.js
index 82305cba7..372b6b7a4 100644
--- a/modules/system/assets/ui/js/datepicker.js
+++ b/modules/system/assets/ui/js/datepicker.js
@@ -280,7 +280,7 @@
         }
     }
 
-    DatePicker.prototype.getLang = function(key, defaultValue) {
+    DatePicker.prototype.getLang = function(name, defaultValue) {
         if ($.oc === undefined || $.oc.lang === undefined) {
             return defaultValue
         }
diff --git a/modules/system/assets/ui/js/filter.js b/modules/system/assets/ui/js/filter.js
index 87fdecc86..2bd54e6ec 100644
--- a/modules/system/assets/ui/js/filter.js
+++ b/modules/system/assets/ui/js/filter.js
@@ -401,7 +401,7 @@
         $scope.toggleClass('active', !!switchValue)
     }
 
-    FilterWidget.prototype.getLang = function(key, defaultValue) {
+    FilterWidget.prototype.getLang = function(name, defaultValue) {
         if ($.oc === undefined || $.oc.lang === undefined) {
             return defaultValue
         }