diff --git a/src/marvin/ai/audio.py b/src/marvin/ai/audio.py
index faebcbf3c..54e574691 100644
--- a/src/marvin/ai/audio.py
+++ b/src/marvin/ai/audio.py
@@ -169,7 +169,9 @@ def transcribe(
 
     This function converts audio from a file to text.
     """
-    return run_sync(transcribe_async(data=data, prompt=prompt, **model_kwargs or {}))
+    return run_sync(
+        transcribe_async(data=data, prompt=prompt, model_kwargs=model_kwargs or {})
+    )
 
 
 def speech(