diff --git a/sys/netgraph/ng_cisco.c b/sys/netgraph/ng_cisco.c
index 7e64a0f..12e7e03 100644
--- a/sys/netgraph/ng_cisco.c
+++ b/sys/netgraph/ng_cisco.c
@@ -637,10 +637,20 @@ cisco_notify(sc_p sc, uint32_t cmd)
 	struct ng_mesg *msg;
 	int dummy_error = 0;
 
-	if (sc->inet.hook == NULL) /* nothing to notify */
+	if (sc->inet.hook == NULL && sc->inet6.hook == NULL)
+		/* nothing to notify */
 		return;
-                
-	NG_MKMESSAGE(msg, NGM_FLOW_COOKIE, cmd, 0, M_NOWAIT);
-	if (msg != NULL)
-		NG_SEND_MSG_HOOK(dummy_error, sc->node, msg, sc->inet.hook, 0);
+
+	if (sc->inet.hook != NULL) {
+		NG_MKMESSAGE(msg, NGM_FLOW_COOKIE, cmd, 0, M_NOWAIT);
+		if (msg != NULL)
+			NG_SEND_MSG_HOOK(dummy_error, sc->node, msg,
+			    sc->inet.hook, 0);
+	}
+	if (sc->inet6.hook != NULL) {
+		NG_MKMESSAGE(msg, NGM_FLOW_COOKIE, cmd, 0, M_NOWAIT);
+		if (msg != NULL)
+			NG_SEND_MSG_HOOK(dummy_error, sc->node, msg,
+			    sc->inet6.hook, 0);
+	}
 }