diff --git a/services/mana-stt/app/voxtral_service.py b/services/mana-stt/app/voxtral_service.py
index fa7909a3d..989ef863b 100644
--- a/services/mana-stt/app/voxtral_service.py
+++ b/services/mana-stt/app/voxtral_service.py
@@ -157,7 +157,6 @@ def transcribe_audio(
         inputs = processor.apply_chat_template(
             messages,
             tokenize=True,
-            add_generation_prompt=True,
             return_tensors="pt",
             return_dict=True,
         )