diff --git a/bgpd/bgp_aspath.c b/bgpd/bgp_aspath.c
index fc5efb1..d30ef4c 100644
--- a/bgpd/bgp_aspath.c
+++ b/bgpd/bgp_aspath.c
@@ -1170,7 +1170,7 @@
 
   as = (struct aspath *) backet->data;
 
-  vty_out (vty, "[%p:%d] (%ld) ", backet, backet->key, as->refcnt);
+  vty_out (vty, "[%p:%u] (%ld) ", backet, backet->key, as->refcnt);
   vty_out (vty, "%s%s", as->str, VTY_NEWLINE);
 }