diff --git a/create_ap b/create_ap
index b983c56..0c443bd 100755
--- a/create_ap
+++ b/create_ap
@@ -712,7 +712,7 @@ _cleanup() {
 
     if [[ "$SHARE_METHOD" != "none" ]]; then
         if [[ "$SHARE_METHOD" == "nat" ]]; then
-            iptables -w -t nat -D POSTROUTING -o ${INTERNET_IFACE} -s ${GATEWAY%.*}.0/24 -j MASQUERADE
+            iptables -w -t nat -D POSTROUTING -s ${GATEWAY%.*}.0/24 ! -o ${WIFI_IFACE} -j MASQUERADE || die
             iptables -w -D FORWARD -i ${WIFI_IFACE} -s ${GATEWAY%.*}.0/24 -j ACCEPT
             iptables -w -D FORWARD -i ${INTERNET_IFACE} -d ${GATEWAY%.*}.0/24 -j ACCEPT
         elif [[ "$SHARE_METHOD" == "bridge" ]]; then