diff --git a/src/rdisc/nm-lndp-rdisc.c b/src/rdisc/nm-lndp-rdisc.c
index ff1bd33ded..922cb3dd76 100644
--- a/src/rdisc/nm-lndp-rdisc.c
+++ b/src/rdisc/nm-lndp-rdisc.c
@@ -720,6 +720,7 @@ dispose (GObject *object)
 	g_clear_pointer (&priv->event_channel, g_io_channel_unref);
 
 	if (priv->ndp) {
+		ndp_msgrcv_handler_unregister (priv->ndp, receive_ra, NDP_MSG_RA, NM_RDISC (rdisc)->ifindex, rdisc);
 		ndp_close (priv->ndp);
 		priv->ndp = NULL;
 	}