diff --git a/SoObjects/Appointments/SOGoUserFolder+Appointments.h b/SoObjects/Appointments/SOGoUserFolder+Appointments.h
index 9342de19a..df99e17d5 100644
--- a/SoObjects/Appointments/SOGoUserFolder+Appointments.h
+++ b/SoObjects/Appointments/SOGoUserFolder+Appointments.h
@@ -1,8 +1,6 @@
 /* SOGoUserFolder+Appointments.h - this file is part of SOGo
  *
- * Copyright (C) 2008-2010 Inverse inc.
- *
- * Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
+ * Copyright (C) 2008-2014 Inverse inc.
  *
  * This file is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/SoObjects/Appointments/SOGoUserFolder+Appointments.m b/SoObjects/Appointments/SOGoUserFolder+Appointments.m
index cc31f195a..7c1e6403e 100644
--- a/SoObjects/Appointments/SOGoUserFolder+Appointments.m
+++ b/SoObjects/Appointments/SOGoUserFolder+Appointments.m
@@ -1,8 +1,6 @@
 /* SOGoUserFolder+Appointments.m - this file is part of SOGo
  *
- * Copyright (C) 2008-2010 Inverse inc.
- *
- * Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
+ * Copyright (C) 2008-2014 Inverse inc.
  *
  * This file is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/SoObjects/SOGo/WORequest+SOGo.m b/SoObjects/SOGo/WORequest+SOGo.m
index b622fb1d1..ff3554fd6 100644
--- a/SoObjects/SOGo/WORequest+SOGo.m
+++ b/SoObjects/SOGo/WORequest+SOGo.m
@@ -1,6 +1,6 @@
 /* WORequest+SOGo.m - this file is part of SOGo
  *
- * Copyright (C) 2007-2013 Inverse inc.
+ * Copyright (C) 2007-2014 Inverse inc.
  *
  * This file is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -130,6 +130,7 @@
 - (BOOL) isICal
 {
   return ([self isAppleDAVWithSubstring: @"Mac OS X/10."]
+          || [self isAppleDAVWithSubstring: @"Mac_OS_X/"]
           || [self isAppleDAVWithSubstring: @"CoreDAV/"]);
 }