diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index f6523a4..88f1f69 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -42,7 +42,7 @@
 	if (!wdev->wext.connect.ssid_len)
 		return 0;
 
-	if (wdev->wext.keys) {
+	if (wdev->wext.keys && wdev->wext.keys->def != -1) {
 		ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL);
 		if (!ck)
 			return -ENOMEM;