diff --git a/voice.py b/voice.py
index c4976a6..696c54a 100644
--- a/voice.py
+++ b/voice.py
@@ -30,7 +30,7 @@ LK_API_SECRET = os.environ.get("LIVEKIT_API_SECRET", "")
 ELEVENLABS_KEY = os.environ.get("ELEVENLABS_API_KEY", "")
 BRAVE_API_KEY = os.environ.get("BRAVE_API_KEY", "")
 MEMORY_SERVICE_URL = os.environ.get("MEMORY_SERVICE_URL", "http://memory-service:8090")
-DEFAULT_VOICE_ID = "vmVmHDKBkkCgbLVIOJRb"
+DEFAULT_VOICE_ID = "Gng1FdSGZlhs6jKgzAxL"  # Jack Marlowe - native German
 
 _VOICE_PROMPT_TEMPLATE = """Du bist ein hilfreicher Sprachassistent in einem Matrix-Anruf.
 Aktuelle Zeit: {datetime}