diff --git a/endpoints/OAI/utils/chat_completion.py b/endpoints/OAI/utils/chat_completion.py
index df93447..11872b7 100644
--- a/endpoints/OAI/utils/chat_completion.py
+++ b/endpoints/OAI/utils/chat_completion.py
@@ -67,7 +67,7 @@ def _create_response(generation: dict, model_name: Optional[str]):
     )
 
     prompt_tokens = unwrap(generation.get("prompt_tokens"), 0)
-    completion_tokens = unwrap(generation.get("completion_tokens"), 0)
+    completion_tokens = unwrap(generation.get("generated_tokens"), 0)
 
     response = ChatCompletionResponse(
         choices=[choice],