diff --git a/net/multiwan/Makefile b/net/multiwan/Makefile
index 76c61d83b..bed8e6f63 100644
--- a/net/multiwan/Makefile
+++ b/net/multiwan/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=multiwan
-PKG_VERSION:=1.0.20
+PKG_VERSION:=1.0.21
 PKG_RELEASE:=1
 
 include $(INCLUDE_DIR)/package.mk
diff --git a/net/multiwan/files/usr/bin/multiwan b/net/multiwan/files/usr/bin/multiwan
index c2fb3ab26..75b2a2fc8 100755
--- a/net/multiwan/files/usr/bin/multiwan
+++ b/net/multiwan/files/usr/bin/multiwan
@@ -257,10 +257,10 @@ clear_rules() {
     local restore_single=$1
     local group 
 
-    iptables -t mangle -F PREROUTING 
-    iptables -t mangle -F FORWARD
-    iptables -t mangle -F POSTROUTING
-    iptables -t mangle -F OUTPUT
+    iptables -t mangle -D PREROUTING -j MultiWan
+    iptables -t mangle -D FORWARD -j MultiWan
+    iptables -t mangle -D OUTPUT -j MultiWan
+    iptables -t mangle -D POSTROUTING -j MultiWan
     iptables -t mangle -F MultiWan
     iptables -t mangle -X MultiWan
     iptables -t mangle -F MultiWanRules
@@ -285,6 +285,10 @@ clear_rules() {
     done
 
     if [ ! -z "$CHKFORQOS" ]; then
+	iptables -t mangle -F PREROUTING
+	iptables -t mangle -F FORWARD
+	iptables -t mangle -F OUTPUT
+	iptables -t mangle -F POSTROUTING
 	iptables -t mangle -F MultiWanQoS
 	iptables -t mangle -X MultiWanQoS