diff --git a/src/edge_tts/communicate.py b/src/edge_tts/communicate.py
index 0f5975f..d66a109 100644
--- a/src/edge_tts/communicate.py
+++ b/src/edge_tts/communicate.py
@@ -444,9 +444,7 @@ class Communicate:
                         # Send the next SSML request to the service.
                         if not await send_ssml_request():
                             break
-                    elif path in (b"response", b"turn.start"):
-                        pass
-                    else:
+                    elif path not in (b"response", b"turn.start"):
                         raise UnknownResponse(
                             "The response from the service is not recognized.\n"
                             + received.data