LaunchServer/src/main/java/pro/gravit/launchserver/command/hash/DownloadAssetCommand.java

@@ -43,7 +43,7 @@ public void invoke(String... args) throws Exception {
         verifyArgs(args, 1);
         //Version version = Version.byName(args[0]);
         String versionName = args[0];
-        String dirName = IOHelper.verifyFileName(args.length > 1 ? args[1] : "assets");
+        String dirName = IOHelper.verifyFileName(args[1] != null ? args[1] : "assets");
         String type = args.length > 2 ? args[2] : "mojang";
         Path assetDir = server.updatesDir.resolve(dirName);