diff --git a/src/pipecat/transports/services/daily.py b/src/pipecat/transports/services/daily.py
index 7c537bd53..f28efdcb8 100644
--- a/src/pipecat/transports/services/daily.py
+++ b/src/pipecat/transports/services/daily.py
@@ -241,7 +241,7 @@ class DailyTransportClient(EventHandler):
         self._callbacks = callbacks
 
     async def send_message(self, frame: TransportMessageFrame | TransportMessageUrgentFrame):
-        if not self._client:
+        if not self._joined or self._leaving:
             return
 
         participant_id = None