diff --git a/voice.py b/voice.py
index 8ef44b5..a18312f 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 = "JBFqnCBsd6RMkjVDRZzb"  # George - warm, British male, multilingual
+DEFAULT_VOICE_ID = "Gng1FdSGZlhs6jKgzAxL"  # Jack Marlowe - native German male, standard accent
 
 _VOICE_PROMPT_TEMPLATE = """Du bist ein hilfreicher Sprachassistent in einem Matrix-Anruf.
 Aktuelle Zeit: {datetime}
@@ -581,7 +581,7 @@ class VoiceSession:
                 except Exception as exc:
                     logger.warning("Memory query failed: %s", exc)
 
-            # Voice pipeline — George (British male, multilingual DE/EN)
+            # Voice pipeline — Jack Marlowe (native German male)
             self._http_session = aiohttp.ClientSession()
             voice_id = os.environ.get("ELEVENLABS_VOICE_ID", DEFAULT_VOICE_ID)
             self.session = AgentSession(