diff --git a/trulens_eval/trulens_eval/feedback/provider/base.py b/trulens_eval/trulens_eval/feedback/provider/base.py
index 6dfda7ba7..da58c5fcb 100644
--- a/trulens_eval/trulens_eval/feedback/provider/base.py
+++ b/trulens_eval/trulens_eval/feedback/provider/base.py
@@ -57,6 +57,7 @@ def _create_chat_completion(self, prompt, *args, **kwargs):
     def _find_relevant_string(self, full_source, hypothesis):
         return self.endpoint.run_me(
             lambda: self._create_chat_completion(
+                model=self.model_engine,
                 prompt = 
                             str.format(
                                 prompts.SYSTEM_FIND_SUPPORTING,