diff --git a/app/main.py b/app/main.py
index 9ff84d5..4130f3c 100644
--- a/app/main.py
+++ b/app/main.py
@@ -67,17 +67,30 @@ def pcm_to_wav(pcm: bytes) -> bytes:
     return buf.getvalue()
 
 
-async def transcribe(pcm: bytes) -> str:
-    data = {"model": ASR_MODEL}
-    if ASR_LANGUAGE:
-        data["language"] = ASR_LANGUAGE
-    resp = await http.post(
+async def _post_transcription(data: dict, wav: bytes) -> httpx.Response:
+    return await http.post(
         f"{ASR_BASE_URL}/audio/transcriptions",
         headers={"Authorization": f"Bearer {ASR_API_KEY}"},
         data=data,
-        files={"file": ("segment.wav", pcm_to_wav(pcm), "audio/wav")},
+        files={"file": ("segment.wav", wav, "audio/wav")},
     )
-    resp.raise_for_status()
+
+
+async def transcribe(pcm: bytes) -> str:
+    wav = pcm_to_wav(pcm)
+    data = {"model": ASR_MODEL}
+    if ASR_LANGUAGE:
+        data["language"] = ASR_LANGUAGE
+    resp = await _post_transcription(data, wav)
+    if resp.status_code == 400 and "language" in data:
+        # Certains moteurs (ex. Qwen3-ASR via vLLM) rejettent le paramètre
+        # language : on retente en laissant la détection automatique.
+        print(f"ASR a refusé language={ASR_LANGUAGE!r} ({resp.text[:200]}), "
+              "nouvel essai sans ce paramètre", flush=True)
+        del data["language"]
+        resp = await _post_transcription(data, wav)
+    if resp.status_code != 200:
+        raise RuntimeError(f"ASR HTTP {resp.status_code} : {resp.text[:300]}")
     return resp.json().get("text", "").strip()
 
 
diff --git a/app/static/index.html b/app/static/index.html
index 0339993..99c72f4 100644
--- a/app/static/index.html
+++ b/app/static/index.html
@@ -4,6 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>LiveFlow — Transcription de réunions</title>
+  <link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ctext y='.9em' font-size='90'%3E%F0%9F%8E%99%EF%B8%8F%3C/text%3E%3C/svg%3E">
   <link rel="stylesheet" href="style.css">
 </head>
 <body>