diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index 43dab7a..217b657 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -5789,6 +5789,8 @@
 		break;
 	case SEC_LEVEL_1:
 		ipw_send_wep_keys(priv, DCW_WEP_KEY_SEC_TYPE_WEP);
+		ipw_set_hw_decrypt_unicast(priv, priv->ieee->sec.level);
+		ipw_set_hw_decrypt_multicast(priv, priv->ieee->sec.level);
 		break;
 	case SEC_LEVEL_0:
 	default: