diff --git a/go/weed/server.go b/go/weed/server.go
index 39d02597b..910201966 100644
--- a/go/weed/server.go
+++ b/go/weed/server.go
@@ -228,6 +228,9 @@ func runServer(cmd *Command, args []string) bool {
 	if *volumePublicPort == 0 {
 		*volumePublicPort = *volumePort
 	}
+	if *serverPublicUrl == "" {
+		*serverPublicUrl = *serverIp + ":" + strconv.Itoa(*volumePublicPort)
+	}
 	isSeperatedPublicPort := *volumePublicPort != *volumePort
 	volumeMux := http.NewServeMux()
 	publicVolumeMux := volumeMux
diff --git a/go/weed/volume.go b/go/weed/volume.go
index 2d3ecbb4d..d3869b281 100644
--- a/go/weed/volume.go
+++ b/go/weed/volume.go
@@ -101,13 +101,13 @@ func runVolume(cmd *Command, args []string) bool {
 	if *v.ip == "" {
 		*v.ip = "127.0.0.1"
 	}
-	if *v.publicUrl == "" {
-		*v.publicUrl = *v.ip + ":" + strconv.Itoa(*v.port)
-	}
 
 	if *v.publicPort == 0 {
 		*v.publicPort = *v.port
 	}
+	if *v.publicUrl == "" {
+		*v.publicUrl = *v.ip + ":" + strconv.Itoa(*v.publicPort)
+	}
 	isSeperatedPublicPort := *v.publicPort != *v.port
 
 	volumeMux := http.NewServeMux()