diff --git a/genesis/genesis.go b/genesis/genesis.go
index 50a6d8c2..a5f6a433 100644
--- a/genesis/genesis.go
+++ b/genesis/genesis.go
@@ -64,11 +64,7 @@ func New(options ...Option) *core.Genesis {
 	return genesis
 }
 
-func NewFile(isQuorum bool, options ...Option) string {
-	dir, err := generateRandomDir()
-	if err != nil {
-		log.Fatalf("Failed to create random directory, err: %v", err)
-	}
+func NewFileAt(dir string, isQuorum bool, options ...Option) string {
 	genesis := New(options...)
 	if err := Save(dir, genesis, isQuorum); err != nil {
 		log.Fatalf("Failed to save genesis to '%s', err: %v", dir, err)
@@ -77,6 +73,14 @@ func NewFile(isQuorum bool, options ...Option) string {
 	return filepath.Join(dir, FileName)
 }
 
+func NewFile(isQuorum bool, options ...Option) string {
+	dir, err := generateRandomDir()
+	if err != nil {
+		log.Fatalf("Failed to create random directory, err: %v", err)
+	}
+	return NewFileAt(dir, isQuorum, options...)
+}
+
 func Save(dataDir string, genesis *core.Genesis, isQuorum bool) error {
 	filePath := filepath.Join(dataDir, FileName)