diff --git a/addons/base_calendar/static/src/js/calendar.js b/addons/base_calendar/static/src/js/calendar.js
index 275dd6769fe..76ce68cd971 100644
--- a/addons/base_calendar/static/src/js/calendar.js
+++ b/addons/base_calendar/static/src/js/calendar.js
@@ -147,7 +147,7 @@ openerp.base_calendar.CalendarView = openerp.base.Controller.extend({
         
         scheduler.attachEvent("onBeforeEventChanged", function(event_obj, native_event, is_new) {
         	var is_event_exist = jQuery.inArray(event_obj.id, self.dataset.ids);
-        	if(is_event_exist >= 0 && !is_new) {
+        	if(is_event_exist >= 0 || !is_new) {
         		// try to save Event.
         	} else {
         		// new Event.