diff --git a/applications/luci-multiwan/luasrc/model/cbi/multiwan/multiwan.lua b/applications/luci-multiwan/luasrc/model/cbi/multiwan/multiwan.lua
index 8786ebc838..9ccb819b34 100644
--- a/applications/luci-multiwan/luasrc/model/cbi/multiwan/multiwan.lua
+++ b/applications/luci-multiwan/luasrc/model/cbi/multiwan/multiwan.lua
@@ -108,8 +108,8 @@ failover_to.optional = false
 failover_to.rmempty = false
 
 dns = s:option(Value, "dns", translate("DNS Server(s)"))
-dns:value("", translate("Auto"))
-dns.default = ""
+dns:value("auto", translate("Auto"))
+dns.default = "auto"
 dns.optional = false
 dns.rmempty = true