diff --git a/package/madwifi/files/lib/wifi/madwifi.sh b/package/madwifi/files/lib/wifi/madwifi.sh
index 4d390dd1da..d070114221 100755
--- a/package/madwifi/files/lib/wifi/madwifi.sh
+++ b/package/madwifi/files/lib/wifi/madwifi.sh
@@ -217,8 +217,8 @@ enable_atheros() {
 		case "$enc" in
 			wep*)
 				case "$enc" in
-					*open*) iwpriv "$ifname" authmode 1;;
-					*)      iwpriv "$ifname" authmode 2;;
+					*shared*) iwpriv "$ifname" authmode 2;;
+					*)        iwpriv "$ifname" authmode 1;;
 				;;
 				for idx in 1 2 3 4; do
 					config_get key "$vif" "key${idx}"