diff --git a/server/proxy/http.go b/server/proxy/http.go
index b76fe67..1dde20e 100644
--- a/server/proxy/http.go
+++ b/server/proxy/http.go
@@ -51,6 +51,10 @@ func (pxy *HttpProxy) Run() (remoteAddr string, err error) {
 
 	addrs := make([]string, 0)
 	for _, domain := range pxy.cfg.CustomDomains {
+		if domain == "" {
+			continue
+		}
+
 		routeConfig.Domain = domain
 		for _, location := range locations {
 			routeConfig.Location = location
diff --git a/server/proxy/https.go b/server/proxy/https.go
index a35af23..888fcbe 100644
--- a/server/proxy/https.go
+++ b/server/proxy/https.go
@@ -33,6 +33,10 @@ func (pxy *HttpsProxy) Run() (remoteAddr string, err error) {
 
 	addrs := make([]string, 0)
 	for _, domain := range pxy.cfg.CustomDomains {
+		if domain == "" {
+			continue
+		}
+
 		routeConfig.Domain = domain
 		l, errRet := pxy.rc.VhostHttpsMuxer.Listen(routeConfig)
 		if errRet != nil {