diff --git a/config/config.go b/config/config.go
index dc3eff7d1..c246493e4 100644
--- a/config/config.go
+++ b/config/config.go
@@ -734,6 +734,8 @@ func (cfg *FastSyncConfig) ValidateBasic() error {
 		return nil
 	case "v1":
 		return nil
+	case "v2":
+		return nil
 	default:
 		return fmt.Errorf("unknown fastsync version %s", cfg.Version)
 	}