diff --git a/lmm_tools/lmm/lmm.py b/lmm_tools/lmm/lmm.py
index c2efde5d..e6f954a4 100644
--- a/lmm_tools/lmm/lmm.py
+++ b/lmm_tools/lmm/lmm.py
@@ -58,7 +58,7 @@ def generate(self, prompt: str, image: Optional[Union[str, Path]]) -> str:
             )
 
         response = self.client.chat.completions.create(
-            model="gpt-4-vision-preview", message=message
+            model="gpt-4-vision-preview", messages=message  # type: ignore
         )
         return cast(str, response.choices[0].message.content)