diff --git a/luci-app-openmptcprouter/luasrc/view/openmptcprouter/wizard.htm b/luci-app-openmptcprouter/luasrc/view/openmptcprouter/wizard.htm
index dafe89a3d..d1a819796 100644
--- a/luci-app-openmptcprouter/luasrc/view/openmptcprouter/wizard.htm
+++ b/luci-app-openmptcprouter/luasrc/view/openmptcprouter/wizard.htm
@@ -428,7 +428,7 @@
 <% 
     for _, iface in ipairs(net:get_networks()) do
 	local ifname = iface:name()
-	local firewall_lan = luci.util.trim(luci.sys.exec("uci -q get firewall.zone_lan.network | grep " .. ifname))
+	local firewall_lan = luci.util.trim(luci.sys.exec("uci -q get firewall.zone_lan.network | grep \'" .. ifname .. "\'"))
 	if firewall_lan ~= "" then
 %>
 	    <h3><%=ifname%></h3>
@@ -531,7 +531,7 @@
 <% 
     for _, iface in ipairs(net:get_networks()) do
 	local ifname = iface:name()
-	local firewall_wan = luci.util.trim(luci.sys.exec("uci -q get firewall.zone_wan.network | grep " .. ifname))
+	local firewall_wan = luci.util.trim(luci.sys.exec("uci -q get firewall.zone_wan.network | grep \'" .. ifname .. "\'"))
 	if firewall_wan ~= "" then
 
 --	local multipath = uci:get("network",ifname,"multipath")