diff --git a/server.go b/server.go
index 8407696..37b917f 100644
--- a/server.go
+++ b/server.go
@@ -113,15 +113,17 @@ func handler(ctx *fasthttp.RequestCtx) {
 
 func parseHost(host []byte, https bool) ([]byte, []byte) {
 	idx := bytes.LastIndex(host, []byte(":"))
-	var port []byte
+	var resHost, port []byte
 	if idx != -1 {
+		resHost = host[:idx]
 		port = host[idx+1:]
 	} else {
+		resHost = host
 		if https {
 			port = []byte("443")
 		} else {
 			port = []byte("80")
 		}
 	}
-	return host[:idx], port
+	return resHost, port
 }