diff --git a/ospfd/ospf_interface.c b/ospfd/ospf_interface.c
index afe3acf133..f9dc4b09c9 100644
--- a/ospfd/ospf_interface.c
+++ b/ospfd/ospf_interface.c
@@ -335,6 +335,8 @@ ospf_if_free (struct ospf_interface *oi)
   listnode_delete (oi->ospf->oiflist, oi);
   listnode_delete (oi->area->oiflist, oi);
 
+  thread_cancel_event (master, oi);
+
   memset (oi, 0, sizeof (*oi));
   XFREE (MTYPE_OSPF_IF, oi);
 }