diff --git a/examples/foundational/55o-update-settings-elevenlabs-tts.py b/examples/foundational/55o-update-settings-elevenlabs-tts.py
index 0ca72ba5b..6c85e2452 100644
--- a/examples/foundational/55o-update-settings-elevenlabs-tts.py
+++ b/examples/foundational/55o-update-settings-elevenlabs-tts.py
@@ -25,6 +25,7 @@ from pipecat.runner.utils import create_transport
 from pipecat.services.deepgram.stt import DeepgramSTTService
 from pipecat.services.elevenlabs.tts import ElevenLabsTTSService, ElevenLabsTTSSettings
 from pipecat.services.openai.llm import OpenAILLMService
+from pipecat.transcriptions.language import Language
 from pipecat.transports.base_transport import BaseTransport, TransportParams
 from pipecat.transports.daily.transport import DailyParams
 from pipecat.transports.websocket.fastapi import FastAPIWebsocketParams
@@ -100,10 +101,8 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
         await task.queue_frames([LLMRunFrame()])
 
         await asyncio.sleep(10)
-        logger.info("Updating ElevenLabs TTS settings: speed=1.2, stability=0.3")
-        await task.queue_frame(
-            TTSUpdateSettingsFrame(update=ElevenLabsTTSSettings(speed=1.2, stability=0.3))
-        )
+        logger.info("Updating ElevenLabs TTS settings: speed=1.2")
+        await task.queue_frame(TTSUpdateSettingsFrame(update=ElevenLabsTTSSettings(speed=0.7)))
 
     @transport.event_handler("on_client_disconnected")
     async def on_client_disconnected(transport, client):
diff --git a/src/pipecat/services/elevenlabs/tts.py b/src/pipecat/services/elevenlabs/tts.py
index 022b08b94..fbde4a4b7 100644
--- a/src/pipecat/services/elevenlabs/tts.py
+++ b/src/pipecat/services/elevenlabs/tts.py
@@ -492,19 +492,19 @@ class ElevenLabsTTSService(AudioContextWordTTSService):
         # Rebuild voice settings for next context
         self._voice_settings = self._set_voice_settings()
 
-        url_changed = bool(changed & ElevenLabsTTSSettings.URL_FIELDS)
-        voice_settings_changed = bool(changed & ElevenLabsTTSSettings.VOICE_SETTINGS_FIELDS)
+        url_changed = bool(changed.keys() & ElevenLabsTTSSettings.URL_FIELDS)
+        voice_settings_changed = bool(changed.keys() & ElevenLabsTTSSettings.VOICE_SETTINGS_FIELDS)
 
         if url_changed:
             logger.debug(
-                f"URL-level setting changed ({changed & ElevenLabsTTSSettings.URL_FIELDS}), "
+                f"URL-level setting changed ({changed.keys() & ElevenLabsTTSSettings.URL_FIELDS}), "
                 f"reconnecting WebSocket"
             )
             await self._disconnect()
             await self._connect()
         elif voice_settings_changed and self._context_id:
             logger.debug(
-                f"Voice settings changed ({changed & ElevenLabsTTSSettings.VOICE_SETTINGS_FIELDS}), "
+                f"Voice settings changed ({changed.keys() & ElevenLabsTTSSettings.VOICE_SETTINGS_FIELDS}), "
                 f"closing current context to apply changes"
             )
             try: