diff --git a/libkcal/calhelper.h b/libkcal/calhelper.h
index 12e23d5530..463dcc1c6d 100644
--- a/libkcal/calhelper.h
+++ b/libkcal/calhelper.h
@@ -1,84 +1,84 @@
 /*
   This file is part of libkcal.
 
   Copyright (c) 2009 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.net>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
 */
 /**
   @file
   This file is part of the API for handling calendar data and provides
   static convenience functions for making decisions about calendar data.
 
   @author Allen Winter \<allen@kdab.net\>
 */
 
-#ifndef KCAL_CALENDARHELPER_H
-#define KCAL_CALENDARHELPER_H
+#ifndef KCAL_CALHELPER_H
+#define KCAL_CALHELPER_H
 
 #include <qstring.h>
 
 namespace KCal {
 class Calendar;
 class Incidence;
 
 /**
   @brief
   Provides methods for making decisions about calendar data.
 */
 namespace CalHelper {
 
   /**
     Determine if the specified incidence is likely a Kolab incidence
     owned by the the user.
 
     @param calendar is a pointer to a valid Calendar object.
     @param incidence is a pointer to an Incidence object.
 
     @return true if it is likely that the specified incidence belongs
     to the user in their Kolab resource; false otherwise.
   */
   bool isMyKolabIncidence( Calendar *calendar, Incidence *incidence );
 
   /**
     Determine if the specified incidence is likely owned by the the user,
     independent of the Resource type.
 
     @param calendar is a pointer to a valid Calendar object.
     @param incidence is a pointer to an Incidence object.
 
     @return true if it is likely that the specified incidence belongs
     to the user; false otherwise.
   */
   bool isMyCalendarIncidence( Calendar *calendar, Incidence *incidence );
 
   /**
     Searches for the specified Incidence by UID, returning an Incidence pointer
     if and only if the found Incidence is owned by the user.
 
     @param calendar is a pointer to a valid Calendar object.
     @param Uid is a QString containing an Incidence UID.
 
     @return a pointer to the Incidence found; 0 if the Incidence is not found
     or the Incidence is found but is not owned by the user.
   */
   Incidence *findMyCalendarIncidenceByUid( Calendar *calendar, const QString &uid );
 }
 
 }
 
 #endif