diff --git a/effi-stt/main.py b/effi-stt/main.py
index adcaeff..91af4ff 100644
--- a/effi-stt/main.py
+++ b/effi-stt/main.py
@@ -129,11 +129,12 @@ async def transcribe(
             with model_lock:
                 segments, info = model.transcribe(
                     tmp_path,
-                    language=language if language != "auto" else None,
+                    language="fr",
                     task="transcribe",
                     beam_size=5,
                     best_of=5,
-                    condition_on_previous_text=True
+                    condition_on_previous_text=True,
+                    initial_prompt="Transcription en français. L'utilisateur parle français."
                 )
             
             text_parts = []