diff --git a/proto/ospf/iface.c b/proto/ospf/iface.c
index aa7f7892..290a8634 100644
--- a/proto/ospf/iface.c
+++ b/proto/ospf/iface.c
@@ -886,6 +886,10 @@ ospf_ifaces_reconfigure(struct ospf_area *oa, struct ospf_area_config *nac)
   struct ifa *a;
 
   WALK_LIST(iface, iface_list)
+  {
+    if (! (iface->flags & IF_UP))
+      continue;
+
     WALK_LIST(a, iface->addrs)
     {
       if (a->flags & IA_SECONDARY)
@@ -911,6 +915,7 @@ ospf_ifaces_reconfigure(struct ospf_area *oa, struct ospf_area_config *nac)
 	ospf_iface_new(oa, a, ip);
       }
     }
+  }
 }
 
 
@@ -1014,6 +1019,10 @@ ospf_ifaces_reconfigure(struct ospf_area *oa, struct ospf_area_config *nac)
   struct ifa *a;
 
   WALK_LIST(iface, iface_list)
+  {
+    if (! (iface->flags & IF_UP))
+      continue;
+
     WALK_LIST(a, iface->addrs)
     {
       if (a->flags & IA_SECONDARY)
@@ -1042,6 +1051,7 @@ ospf_ifaces_reconfigure(struct ospf_area *oa, struct ospf_area_config *nac)
 	ospf_iface_new(oa, a, ip);
       }
     }
+  }
 }
 
 #endif