diff --git a/src/pipecat/services/xtts.py b/src/pipecat/services/xtts.py
index 67aa86ccc..590a9dd3d 100644
--- a/src/pipecat/services/xtts.py
+++ b/src/pipecat/services/xtts.py
@@ -65,7 +65,7 @@ class XTTSService(TTSService):
             "language": self._language,
             "speaker_embedding": embeddings["speaker_embedding"],
             "gpt_cond_latent": embeddings["gpt_cond_latent"],
-            "add_wav_header": True,
+            "add_wav_header": False,
             "stream_chunk_size": 20,
         }