diff --git a/plugins/calendar/calendar_ui.js b/plugins/calendar/calendar_ui.js
index 8600a5da..8fe45fc6 100644
--- a/plugins/calendar/calendar_ui.js
+++ b/plugins/calendar/calendar_ui.js
@@ -3106,7 +3106,7 @@ function rcube_calendar_ui(settings)
           else if (range > 0)
             start = 'today -' + range + ' months';
 
-          rcmail.goto_url('export_events', { source:source, start:start, attachments:attachmt?1:0 });
+          rcmail.goto_url('export_events', { source:source, start:start, attachments:attachmt?1:0 }, false);
         }
         $dialog.dialog("close");
       };
@@ -3137,7 +3137,7 @@ function rcube_calendar_ui(settings)
     this.event_download = function(event)
     {
       if (event && event.id) {
-        rcmail.goto_url('export_events', { source:event.calendar, id:event.id, attachments:1 });
+        rcmail.goto_url('export_events', { source:event.calendar, id:event.id, attachments:1 }, false);
       }
     };