diff --git a/web_interface/blueprints/api_v3.py b/web_interface/blueprints/api_v3.py
index 9860158a..002d85dc 100644
--- a/web_interface/blueprints/api_v3.py
+++ b/web_interface/blueprints/api_v3.py
@@ -7565,7 +7565,8 @@ def install_from_tronbyte_repository():
 
         try:
             # Pass filename from metadata (e.g., "analog_clock.star" for analogclock app)
-            filename = metadata.get('filename') if metadata else None
+            # Note: manifest uses 'fileName' (camelCase), not 'filename'
+            filename = metadata.get('fileName') if metadata else None
             success, error = repo.download_star_file(data['app_id'], Path(temp_path), filename=filename)
             if not success:
                 return jsonify({'status': 'error', 'message': f'Failed to download app: {error}'}), 500