diff --git a/ospfd/ospf_interface.c b/ospfd/ospf_interface.c
index 2519ec9..2afe19e 100644
--- a/ospfd/ospf_interface.c
+++ b/ospfd/ospf_interface.c
@@ -131,13 +131,15 @@
 {
   struct prefix p;
   struct route_node *rn;
+  struct ospf_interface *rninfo;
   
   p = *prefix;
 
   rn = route_node_get (IF_OIFS (ifp), &p);
   /* route_node_get implicitely locks */
+  rninfo = (struct ospf_interface *) rn->info;
   route_unlock_node (rn);
-  return (struct ospf_interface *) rn->info;
+  return rninfo;
 }
 
 void