diff --git a/luci-app-openmptcprouter/luasrc/controller/openmptcprouter.lua b/luci-app-openmptcprouter/luasrc/controller/openmptcprouter.lua
index 4326d67c3..5d22e9b4c 100644
--- a/luci-app-openmptcprouter/luasrc/controller/openmptcprouter.lua
+++ b/luci-app-openmptcprouter/luasrc/controller/openmptcprouter.lua
@@ -202,11 +202,7 @@ function wizard_add()
 	ucic:commit("network")
 
 	-- Enable/disable IPv6
-	local disable_ipv6 = "0"
-	local enable_ipv6 = luci.http.formvalue("enableipv6") or "0"
-	if enable_ipv6 == "0" then 
-		disable_ipv6 = "1"
-	end
+	local disable_ipv6 = luci.http.formvalue("enableipv6") or "1"
 	set_ipv6_state(disable_ipv6)
 	
 	-- Get VPN set by default
@@ -1120,8 +1116,10 @@ end
 
 function set_ipv6_state(disable_ipv6)
 	-- Disable/Enable IPv6 support
-	luci.sys.exec("sysctl -w net.ipv6.conf.all.disable_ipv6=%s" % disable_ipv6)
-	luci.sys.exec("sed -i 's:^net.ipv6.conf.all.disable_ipv6=[0-9]*:net.ipv6.conf.all.disable_ipv6=%s:' /etc/sysctl.d/zzz_openmptcprouter.conf" % disable_ipv6)
+	--luci.sys.exec("sysctl -qw net.ipv6.conf.all.disable_ipv6=%s" % disable_ipv6)
+	--luci.sys.exec("sed -i 's:^net.ipv6.conf.all.disable_ipv6=[0-9]*:net.ipv6.conf.all.disable_ipv6=%s:' /etc/sysctl.d/zzz_openmptcprouter.conf" % disable_ipv6)
+	luci.sys.exec("sysctl -qw net.ipv6.conf.all.disable_ipv6=0")
+	luci.sys.exec("sed -i 's:^net.ipv6.conf.all.disable_ipv6=[0-9]*:net.ipv6.conf.all.disable_ipv6=0:' /etc/sysctl.d/zzz_openmptcprouter.conf" % disable_ipv6)
 
 	-- Disable/Enable IPv6 for firewall
 	ucic:set("firewall",ucic:get_first("firewall","defaults"),"disable_ipv6",disable_ipv6)
diff --git a/luci-app-openmptcprouter/luasrc/view/openmptcprouter/wizard.htm b/luci-app-openmptcprouter/luasrc/view/openmptcprouter/wizard.htm
index a5e4078df..1784eb563 100644
--- a/luci-app-openmptcprouter/luasrc/view/openmptcprouter/wizard.htm
+++ b/luci-app-openmptcprouter/luasrc/view/openmptcprouter/wizard.htm
@@ -110,7 +110,7 @@ end
 	    <div class="cbi-value">
 		<label class="cbi-value-title"><%:Enable IPv6%></label>
 		<div class="cbi-value-field">
-		    <input class="cbi-input-checkbox" type="checkbox" name="enableipv6" value="1" <% if uci:get("openmptcprouter","settings","disable_ipv6") == 1 then %>checked<% end %> />
+		    <input class="cbi-input-checkbox" type="checkbox" name="enableipv6" value="0" <% if uci:get("openmptcprouter","settings","disable_ipv6") == 1 then %>checked<% end %> />
 		    <br />
 		    <div class="cbi-value-description">
 		        <%:You should disable IPv6 here if server doesn't provide IPv6.%>