diff --git a/ospfd/ospfd.c b/ospfd/ospfd.c
index a01af60..98d6d77 100644
--- a/ospfd/ospfd.c
+++ b/ospfd/ospfd.c
@@ -197,6 +197,7 @@
     {
       new->dmetric[i].type = -1;
       new->dmetric[i].value = -1;
+      new->dtag[i] = 0;
     }
   new->default_metric = -1;
   new->ref_bandwidth = OSPF_DEFAULT_REF_BANDWIDTH;