diff --git a/melo/app.py b/melo/app.py
index 7f160fc..a65edc1 100644
--- a/melo/app.py
+++ b/melo/app.py
@@ -55,7 +55,7 @@ with gr.Blocks() as demo:
 @click.option('--host', '-h', default=None)
 @click.option('--port', '-p', type=int, default=None)
 def main(share, host, port):
-    demo.queue(api_open=False, default_concurrency_limit=10).launch(show_api=False, share=share, server_name=host, server_port=port)
+    demo.queue(api_open=False).launch(show_api=False, share=share, server_name=host, server_port=port)
 
 if __name__ == "__main__":
     main()