diff --git a/SoObjects/Appointments/SOGoAppointmentFolder.m b/SoObjects/Appointments/SOGoAppointmentFolder.m
index 79151a0fa..a3fa6eb0a 100644
--- a/SoObjects/Appointments/SOGoAppointmentFolder.m
+++ b/SoObjects/Appointments/SOGoAppointmentFolder.m
@@ -2548,7 +2548,7 @@ firstInstanceCalendarDateRange: (NGCalendarDateRange *) fir
                                 XMLNS_GROUPDAV, nil];
           [colType addObject: gdVTodoCol];
         }
-      if ([[nameInContainer lowercaseString] isEqualToString: @"personal"])
+      if ([nameInContainer isEqualToString: @"personal"])
         [colType addObject: [NSArray arrayWithObjects: @"schedule-outbox",
                                      XMLNS_CALDAV, nil]];
     }