diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index adcabba02e20c78199d3913a626fe74f209e002d..27a8ce9343c3e6d7a3bfdd6f801a7e852504a9c3 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -247,8 +247,10 @@ int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
 	if (!netif_running(wdev->netdev))
 		return 0;
 
-	if (wdev->wext.keys)
+	if (wdev->wext.keys) {
 		wdev->wext.keys->def = wdev->wext.default_key;
+		wdev->wext.keys->defmgmt = wdev->wext.default_mgmt_key;
+	}
 
 	wdev->wext.ibss.privacy = wdev->wext.default_key != -1;