diff --git a/include/grmMacroGenerator.h b/include/grmMacroGenerator.h
index a254eceac553570c8fdd0b65d52a3897a4a4e97d..17ff2aab8a8fa8e04ae919ec207ea23c30c7fca6 100644
--- a/include/grmMacroGenerator.h
+++ b/include/grmMacroGenerator.h
@@ -15,8 +15,8 @@
      PURPOSE.  See the above copyright notices for more information.
 
 =========================================================================*/
-#ifndef __MG_H
-#define __MG_H
+#ifndef MG_H
+#define MG_H
 
 // Generate automatically get/set methods
 #define GRMGetMacro(type, name) \