diff --git a/backend/main.py b/backend/main.py
index cba6858..f581ddb 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -88,7 +88,7 @@ async def run_conversation(text: str, user_id: str) -> str:
             {"role": "system", "content": system_prompt},
             {"role": "user", "content": text},
         ],
-        max_tokens=300,
+        max_completion_tokens=300,
         temperature=0.7,
     )
     kira_text = resp.choices[0].message.content or "Mhm, I'm here!"