diff --git a/mp_msg.h b/mp_msg.h
index 07ff6b8ca6..c47e95484b 100644
--- a/mp_msg.h
+++ b/mp_msg.h
@@ -111,7 +111,7 @@ int mp_msg_test(int mod, int lev);
 
 #include "config.h"
 
-#ifdef TARGET_OS2
+#ifdef __OS2__
 // va_start/vsnprintf seems to be broken under OS2 :(
 #define mp_msg(mod,lev, fmt, args... ) do{if((lev)<=mp_msg_levels[mod]) printf( fmt, ## args );}while(0)
 #define mp_dbg(mod,lev, args... ) 
@@ -135,6 +135,6 @@ void mp_msg(int mod, int lev, const char *format, ... );
 
 const char* filename_recode(const char* filename);
 
-#endif /* TARGET_OS2 */
+#endif /* __OS2__ */
 
 #endif /* MPLAYER_MP_MSG_H */