diff --git a/ospf6d/ospf6_asbr.c b/ospf6d/ospf6_asbr.c
index 3605e3f..c414970 100644
--- a/ospf6d/ospf6_asbr.c
+++ b/ospf6d/ospf6_asbr.c
@@ -297,6 +297,8 @@
         }
       ospf6_route_remove (route, ospf6->route_table);
     }
+  if (route != NULL)
+    ospf6_route_unlock (route);
 }
 
 void