diff --git a/include/osmocore/msgb.h b/include/osmocore/msgb.h
index 9b58e33..44c59cd 100644
--- a/include/osmocore/msgb.h
+++ b/include/osmocore/msgb.h
@@ -65,7 +65,7 @@
 #include <osmocore/gsm_utils.h>
 #define MSGB_ABORT(msg, fmt, args ...) do {		\
 	generate_backtrace();				\
-	osmo_panic("msgb(%p): " fmt, ## args);		\
+	osmo_panic("msgb(%p): " fmt, msg, ## args);	\
 	} while(0)
 #else
 #define MSGB_ABORT(msg, fmt, args ...)