diff --git a/weed/server/master_server.go b/weed/server/master_server.go
index 5b8c28698..8af862ad5 100644
--- a/weed/server/master_server.go
+++ b/weed/server/master_server.go
@@ -272,6 +272,7 @@ func (ms *MasterServer) startAdminScripts() {
 	shellOptions.Masters = &masterAddress
 
 	shellOptions.Directory = "/"
+	*shellOptions.FilerGroup = ""
 
 	commandEnv := shell.NewCommandEnv(&shellOptions)