diff --git a/assets/js/backend_calendar_default_view.js b/assets/js/backend_calendar_default_view.js
index 4f51f9d7..64b44e7b 100755
--- a/assets/js/backend_calendar_default_view.js
+++ b/assets/js/backend_calendar_default_view.js
@@ -618,7 +618,7 @@ window.BackendCalendarDefaultView = window.BackendCalendarDefaultView || {};
 
                 Backend.displayNotification(EALang.appointment_updated, [
                     {
-                        'label': 'Undo',
+                        'label': EALang.undo,
                         'function': undoFunction
                     }
                 ]);
@@ -667,7 +667,7 @@ window.BackendCalendarDefaultView = window.BackendCalendarDefaultView || {};
 
                 Backend.displayNotification(EALang.unavailable_updated, [
                     {
-                        'label': 'Undo',
+                        'label': EALang.undo,
                         'function': undoFunction
                     }
                 ]);
@@ -780,7 +780,7 @@ window.BackendCalendarDefaultView = window.BackendCalendarDefaultView || {};
 
                 Backend.displayNotification(EALang.appointment_updated, [
                     {
-                        'label': 'Undo',
+                        'label': EALang.undo,
                         'function': undoFunction
                     }
                 ]);
@@ -830,7 +830,7 @@ window.BackendCalendarDefaultView = window.BackendCalendarDefaultView || {};
 
                 Backend.displayNotification(EALang.unavailable_updated, [
                     {
-                        label: 'Undo',
+                        label: EALang.undo,
                         function: undoFunction
                     }
                 ]);