diff --git a/common/gal/opengl/utils.cpp b/common/gal/opengl/utils.cpp
index ea6d200f36..06af84546e 100644
--- a/common/gal/opengl/utils.cpp
+++ b/common/gal/opengl/utils.cpp
@@ -84,15 +84,8 @@ int checkGlError( const std::string& aInfo, bool aThrow )
 
 
 // debugMsgCallback is a callback function for glDebugMessageCallback.
-// It must have a right type on Windows
-#ifdef __WINDOWS__
-#include <windef.h>
-#define CB_TYPE APIENTRY
-#else
-#define CB_TYPE
-#endif
-
-static void CB_TYPE debugMsgCallback( GLenum aSource, GLenum aType, GLuint aId,
+// It must have the right type ( GLAPIENTRY )
+static void GLAPIENTRY debugMsgCallback( GLenum aSource, GLenum aType, GLuint aId,
    GLenum aSeverity, GLsizei aLength, const GLchar* aMessage, const void* aUserParam )
 {
     printf( "%s", aMessage );