diff --git a/go/vt/vttest/vtprocess.go b/go/vt/vttest/vtprocess.go
index 6371811a60e..1719fafd8a7 100644
--- a/go/vt/vttest/vtprocess.go
+++ b/go/vt/vttest/vtprocess.go
@@ -205,7 +205,7 @@ func VtcomboProcess(environment Environment, args *Config, mysql MySQLManager) (
 	if args.VtComboBindAddress != "" {
 		vtcomboBindAddress = args.VtComboBindAddress
 	}
-	grpcBindAddress := "127.0.0.1"
+	grpcBindAddress := ""
 	if servenv.GRPCBindAddress() != "" {
 		grpcBindAddress = servenv.GRPCBindAddress()
 	}