diff --git a/bgpd/bgp_debug.h b/bgpd/bgp_debug.h
index 71e110c..ce8547b 100644
--- a/bgpd/bgp_debug.h
+++ b/bgpd/bgp_debug.h
@@ -122,7 +122,7 @@
 extern int bgp_dump_attr (struct peer *, struct attr *, char *, size_t);
 extern void bgp_notify_print (struct peer *, struct bgp_notify *, const char *);
 
-extern struct message bgp_status_msg[];
-extern int bgp_status_msg_max;
+extern const struct message bgp_status_msg[];
+extern const int bgp_status_msg_max;
 
 #endif /* _QUAGGA_BGP_DEBUG_H */