diff --git a/src/pipecat/processors/frameworks/realtimeai.py b/src/pipecat/processors/frameworks/realtimeai.py
index 3f032e4e7..a7a89913c 100644
--- a/src/pipecat/processors/frameworks/realtimeai.py
+++ b/src/pipecat/processors/frameworks/realtimeai.py
@@ -166,7 +166,7 @@ class RealtimeAIProcessor(FrameProcessor):
 
             voice = DEFAULT_VOICE
             if setup and setup.config and setup.config.tts and setup.config.tts.voice:
-                messages = setup.config.tts.voice
+                voice = setup.config.tts.voice
 
             self._tma_in = LLMUserResponseAggregator(messages)
             self._tma_out = LLMAssistantResponseAggregator(messages)