diff --git a/takway/clients/web_socket_client_utils.py b/takway/clients/web_socket_client_utils.py
index 47b3fde..0ee4ef6 100644
--- a/takway/clients/web_socket_client_utils.py
+++ b/takway/clients/web_socket_client_utils.py
@@ -271,7 +271,6 @@ class WebSocketClinet:
                         if self.sleep_event.is_set() or self.listening_event.is_set():
                             break
                         if self.interrupt_event.is_set():
-                            self.interrupt_event.clear()
                             print(f"{datetime.now()}: conversation interrupt (input).")
                             break
                     if board == 'orangepi':