diff --git a/app/dns/lua.go b/app/dns/lua.go
index deb96b394..f74f197d1 100644
--- a/app/dns/lua.go
+++ b/app/dns/lua.go
@@ -37,8 +37,8 @@ func RegisterLua(L *lua.LState, client featureDNS.Client) {
 	registerLua(L, servers, client)
 }
 
-// RegisterLua makes xray.dns available to DNS scripts.
-func (s *DNS) RegisterLua(L *lua.LState) {
+// registerLua makes xray.dns available to DNS scripts.
+func (s *DNS) registerLua(L *lua.LState) {
 	registerLua(L, luaServers(s), nil)
 }
 
diff --git a/app/dns/lua_test.go b/app/dns/lua_test.go
index 0b59dd4e4..0648c0305 100644
--- a/app/dns/lua_test.go
+++ b/app/dns/lua_test.go
@@ -154,7 +154,7 @@ func TestLuaDNSServerQuery(t *testing.T) {
 	option := featureDNS.IPOption{IPv4Enable: true}
 	ips := []net.IP{net.ParseIP("127.0.0.1"), net.ParseIP("8.8.8.8")}
 	server := &DNS{clients: []*Client{{server: &benchmarkLuaNameServer{ips: ips}, ipOption: &option, timeoutMs: time.Second}}}
-	server.RegisterLua(L)
+	server.registerLua(L)
 	if err := L.DoString(`
 local server = require("xray.dns").Servers[1]
 local matcher = require("xray.geodata").BuildIPMatcher("127.0.0.0/8")
@@ -254,7 +254,7 @@ func BenchmarkLuaDNSHookCall(b *testing.B) {
 	server := &DNS{clients: []*Client{client}}
 	L := lua.NewState()
 	defer L.Close()
-	server.RegisterLua(L)
+	server.registerLua(L)
 	if err := L.DoString(`
 local server = require("xray.dns").Servers[1]
 function HandleDNSQuery(domain, ipv4, ipv6, fake)
diff --git a/app/dns/script.go b/app/dns/script.go
index 6391a1fd9..a8e308612 100644
--- a/app/dns/script.go
+++ b/app/dns/script.go
@@ -30,7 +30,7 @@ func newScriptEngine(path string, server *DNS) (*scriptEngine, error) {
 		func(L *lua.LState) {
 			geodata.RegisterLua(L)
 			log.RegisterLua(L)
-			server.RegisterLua(L)
+			server.registerLua(L)
 		},
 		func(L *lua.LState) error {
 			if L.GetGlobal("HandleDNSQuery").Type() != lua.LTFunction {