--- a/include/data.h	Fri Jun 16 14:24:59 2006 +0200
+++ b/include/data.h	Fri Jun 16 14:44:23 2006 +0200
@@ -114,7 +114,8 @@
 		offset: 0,\
 		data: {0,},\
 		dataType: 0,\
-		timer: -1},},\
+		timer: -1,\
+		Callback: NULL},},\
 	SDOtimeoutError: &NODE_PREFIX ## _SDOtimeoutError,\
 	\
 	/* State machine */\