diff --git a/bgpd/bgp_dump.h b/bgpd/bgp_dump.h
index d2f96a9..b4479e5 100644
--- a/bgpd/bgp_dump.h
+++ b/bgpd/bgp_dump.h
@@ -28,6 +28,7 @@
 #define BGP4MP_SNAPSHOT       3
 
 #define BGP_DUMP_HEADER_SIZE 12
+#define BGP_DUMP_MSG_HEADER  40
 
 void bgp_dump_init ();
 void bgp_dump_state (struct peer *, int, int);