diff --git a/ospfd/ospf_dump.c b/ospfd/ospf_dump.c
index 66cc294..be9fa2a 100644
--- a/ospfd/ospf_dump.c
+++ b/ospfd/ospf_dump.c
@@ -493,7 +493,7 @@
 		 IS_EXTERNAL_METRIC (al->e[i].tos) ? "E" : "-",
 		 al->e[i].tos & 0x7f, GET_METRIC (al->e[i].metric));
       zlog_debug ("    Forwarding address %s", inet_ntoa (al->e[i].fwd_addr));
-      zlog_debug ("    External Route Tag %d", al->e[i].route_tag);
+      zlog_debug ("    External Route Tag %u", al->e[i].route_tag);
     }
 }