diff --git a/applications/luci-app-lxc/luasrc/controller/lxc.lua b/applications/luci-app-lxc/luasrc/controller/lxc.lua
index 1682def2799e..5b603e52d910 100644
--- a/applications/luci-app-lxc/luasrc/controller/lxc.lua
+++ b/applications/luci-app-lxc/luasrc/controller/lxc.lua
@@ -140,6 +140,7 @@ function lxc_configuration_set(lxc_name)
 	luci.http.prepare_content("text/plain")
 
 	local lxc_configuration = luci.http.formvalue("lxc_conf")
+	lxc_configuration = luci.http.urldecode(lxc_configuration, true)
 	if lxc_configuration == nil then
 		util.perror("lxc error: config formvalue is empty")
 		return
diff --git a/applications/luci-app-lxc/luasrc/view/lxc.htm b/applications/luci-app-lxc/luasrc/view/lxc.htm
index 69025ad6d392..e5d261c6e8a0 100644
--- a/applications/luci-app-lxc/luasrc/view/lxc.htm
+++ b/applications/luci-app-lxc/luasrc/view/lxc.htm
@@ -250,7 +250,7 @@ <h3><%:Create New Container%></h3>
 		var lxc_name = textarea.dataset['id'];
 		var lxc_conf = textarea.value;
 
-	new XHR().post('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_configuration_set/' + lxc_name, "lxc_conf=" + encodeURIComponent(lxc_conf),
+	new XHR().post('<%=luci.dispatcher.build_url("admin", "services")%>/lxc_configuration_set/' + lxc_name, {"lxc_conf": encodeURIComponent(lxc_conf)},
 		function(x)
 		{
 			if (!x || x.responseText != "0")