diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index ba8c2e2b..ebebf0ff 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -558,6 +558,9 @@ ospf_shutdown(struct proto *P)
   }
   FIB_WALK_END;
 
+  if (tm_active(p->disp_timer))
+    tm_stop(p->disp_timer);
+
   return PS_DOWN;
 }