diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index d42692d..c5b921b 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -1214,7 +1214,7 @@
 	struct ndis_80211_wep_key ndis_key;
 	int cipher, ret;
 
-	if ((key_len != 5 || key_len != 13) || index < 0 || index > 3)
+	if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
 		return -EINVAL;
 
 	if (key_len == 5)