diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 4715a9525918ca9b89f61e79e9758c66e2709327..5fc240259f55c8e85b42038edbc4ae6e47b1f327 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -425,7 +425,10 @@ static int ieee80211_open(struct net_device *dev)
 
 	conf.if_id = dev->ifindex;
 	conf.type = sdata->type;
-	conf.mac_addr = dev->dev_addr;
+	if (sdata->type == IEEE80211_IF_TYPE_MNTR)
+		conf.mac_addr = NULL;
+	else
+		conf.mac_addr = dev->dev_addr;
 	res = local->ops->add_interface(local_to_hw(local), &conf);
 	if (res) {
 		if (sdata->type == IEEE80211_IF_TYPE_MNTR)