diff --git a/backend/build_binary.py b/backend/build_binary.py
index bf2f234f..1b665de6 100644
--- a/backend/build_binary.py
+++ b/backend/build_binary.py
@@ -60,8 +60,8 @@ def build_server():
         '--collect-data', 'qwen_tts',
         '--noconfirm',
         '--clean',
-    ]
-    
+    ])
+
     # Change to backend directory
     os.chdir(backend_dir)