Index: UI/Scheduler/UIxAppointmentEditor.m
--- UI/Scheduler/UIxAppointmentEditor.m.orig
+++ UI/Scheduler/UIxAppointmentEditor.m
@@ -535,7 +535,7 @@
 {
   NSArray *removeAttendees;
   NSDictionary *params;
-  NSString *jsonResponse;
+  NSDictionary *jsonResponse;
   NSException *ex;
   iCalEvent *event;
   SOGoAppointmentFolder *previousCalendar;
