diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index a7ef0289fbdb..a72fbebb8ea2 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -624,6 +624,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
 
 	/* and set some type-dependent values */
 	sdata->vif.type = type;
+	sdata->dev->hard_start_xmit = ieee80211_subif_start_xmit;
 
 	/* only monitor differs */
 	sdata->dev->type = ARPHRD_ETHER;