diff --git a/bgpd/bgp_attr.c b/bgpd/bgp_attr.c
index cbf2902..feb073c 100644
--- a/bgpd/bgp_attr.c
+++ b/bgpd/bgp_attr.c
@@ -645,21 +645,21 @@
   /* aspath refcount shoud be decrement. */
   if (attr->aspath)
     aspath_unintern (&attr->aspath);
-  UNSET_FLAG(attr->flag, BGP_ATTR_AS_PATH);
+  UNSET_FLAG(attr->flag, ATTR_FLAG_BIT (BGP_ATTR_AS_PATH));
   
   if (attr->community)
     community_unintern (&attr->community);
-  UNSET_FLAG(attr->flag, BGP_ATTR_COMMUNITIES);
+  UNSET_FLAG(attr->flag, ATTR_FLAG_BIT (BGP_ATTR_COMMUNITIES));
   
   if (attr->extra)
     {
       if (attr->extra->ecommunity)
         ecommunity_unintern (&attr->extra->ecommunity);
-      UNSET_FLAG(attr->flag, BGP_ATTR_EXT_COMMUNITIES);
+      UNSET_FLAG(attr->flag, ATTR_FLAG_BIT (BGP_ATTR_EXT_COMMUNITIES));
       
       if (attr->extra->cluster)
         cluster_unintern (attr->extra->cluster);
-      UNSET_FLAG(attr->flag, BGP_ATTR_CLUSTER_LIST);
+      UNSET_FLAG(attr->flag, ATTR_FLAG_BIT (BGP_ATTR_CLUSTER_LIST));
       
       if (attr->extra->transit)
         transit_unintern (attr->extra->transit);