diff --git a/src/pipecat/services/stt_service.py b/src/pipecat/services/stt_service.py
index ecfec7b9b..51afedd4a 100644
--- a/src/pipecat/services/stt_service.py
+++ b/src/pipecat/services/stt_service.py
@@ -132,7 +132,7 @@ class STTService(AIService):
             try:
                 self._settings.language = Language(self._settings.language)
             except ValueError:
-                logger.warning(
+                logger.debug(
                     f"Language string '{self._settings.language}' is not a recognized "
                     f"Language code. It will be passed to the service as-is."
                 )
@@ -316,7 +316,7 @@ class STTService(AIService):
             try:
                 delta.language = Language(delta.language)
             except ValueError:
-                logger.warning(
+                logger.debug(
                     f"Language string '{delta.language}' is not a recognized "
                     f"Language code. It will be passed to the service as-is."
                 )
diff --git a/src/pipecat/services/tts_service.py b/src/pipecat/services/tts_service.py
index cc1c812a9..da3164f20 100644
--- a/src/pipecat/services/tts_service.py
+++ b/src/pipecat/services/tts_service.py
@@ -257,7 +257,7 @@ class TTSService(AIService):
             try:
                 self._settings.language = Language(self._settings.language)
             except ValueError:
-                logger.warning(
+                logger.debug(
                     f"Language string '{self._settings.language}' is not a recognized "
                     f"Language code. It will be passed to the service as-is."
                 )
@@ -622,7 +622,7 @@ class TTSService(AIService):
             try:
                 delta.language = Language(delta.language)
             except ValueError:
-                logger.warning(
+                logger.debug(
                     f"Language string '{delta.language}' is not a recognized "
                     f"Language code. It will be passed to the service as-is."
                 )