diff --git a/src/transformers/trainer.py b/src/transformers/trainer.py
index 4b31b992022e3e..229bde0d6e28b8 100755
--- a/src/transformers/trainer.py
+++ b/src/transformers/trainer.py
@@ -3001,7 +3001,7 @@ def _maybe_log_save_evaluate(self, tr_loss, grad_norm, model, trial, epoch, igno
         metrics = None
         if self.control.should_evaluate:
             metrics = self._evaluate(trial, ignore_keys_for_eval)
-            new_best_metric = self._determine_best_metric(metrics=metrics, trial=trial)
+            is_new_best_metric = self._determine_best_metric(metrics=metrics, trial=trial)
 
             if self.args.save_strategy == SaveStrategy.BEST:
                 self.control.should_save = new_best_metric