diff --git a/weed/cluster/cluster_test.go b/weed/cluster/cluster_test.go
index b56ee501c..d7c82a24d 100644
--- a/weed/cluster/cluster_test.go
+++ b/weed/cluster/cluster_test.go
@@ -9,24 +9,24 @@ import (
 func TestClusterAddRemoveNodes(t *testing.T) {
 	c := NewCluster()
 
-	c.AddClusterNode("filer", pb.ServerAddress("111:1"), "23.45")
-	c.AddClusterNode("filer", pb.ServerAddress("111:2"), "23.45")
+	c.AddClusterNode("", "filer", pb.ServerAddress("111:1"), "23.45")
+	c.AddClusterNode("", "filer", pb.ServerAddress("111:2"), "23.45")
 	assert.Equal(t, []pb.ServerAddress{
 		pb.ServerAddress("111:1"),
 		pb.ServerAddress("111:2"),
 	}, c.filerLeaders.GetLeaders())
 
-	c.AddClusterNode("filer", pb.ServerAddress("111:3"), "23.45")
-	c.AddClusterNode("filer", pb.ServerAddress("111:4"), "23.45")
+	c.AddClusterNode("", "filer", pb.ServerAddress("111:3"), "23.45")
+	c.AddClusterNode("", "filer", pb.ServerAddress("111:4"), "23.45")
 	assert.Equal(t, []pb.ServerAddress{
 		pb.ServerAddress("111:1"),
 		pb.ServerAddress("111:2"),
 		pb.ServerAddress("111:3"),
 	}, c.filerLeaders.GetLeaders())
 
-	c.AddClusterNode("filer", pb.ServerAddress("111:5"), "23.45")
-	c.AddClusterNode("filer", pb.ServerAddress("111:6"), "23.45")
-	c.RemoveClusterNode("filer", pb.ServerAddress("111:4"))
+	c.AddClusterNode("", "filer", pb.ServerAddress("111:5"), "23.45")
+	c.AddClusterNode("", "filer", pb.ServerAddress("111:6"), "23.45")
+	c.RemoveClusterNode("", "filer", pb.ServerAddress("111:4"))
 	assert.Equal(t, []pb.ServerAddress{
 		pb.ServerAddress("111:1"),
 		pb.ServerAddress("111:2"),
@@ -34,7 +34,7 @@ func TestClusterAddRemoveNodes(t *testing.T) {
 	}, c.filerLeaders.GetLeaders())
 
 	// remove oldest
-	c.RemoveClusterNode("filer", pb.ServerAddress("111:1"))
+	c.RemoveClusterNode("", "filer", pb.ServerAddress("111:1"))
 	assert.Equal(t, []pb.ServerAddress{
 		pb.ServerAddress("111:6"),
 		pb.ServerAddress("111:2"),
@@ -42,6 +42,6 @@ func TestClusterAddRemoveNodes(t *testing.T) {
 	}, c.filerLeaders.GetLeaders())
 
 	// remove oldest
-	c.RemoveClusterNode("filer", pb.ServerAddress("111:1"))
+	c.RemoveClusterNode("", "filer", pb.ServerAddress("111:1"))
 
 }