diff --git a/deepmd/train/trainer.py b/deepmd/train/trainer.py
index a459d296ba..16722c5eb0 100644
--- a/deepmd/train/trainer.py
+++ b/deepmd/train/trainer.py
@@ -1161,7 +1161,7 @@ def print_header(fp, train_results, valid_results, multi_task_mode=False):
                 prop_fmt = "   %11s"
                 for k in train_results.keys():
                     print_str += prop_fmt % (k + "_trn")
-            print_str += "   %8s\n" % (k + "_lr")
+            print_str += "   %8s\n" % "lr"
         else:
             for fitting_key in train_results:
                 if valid_results[fitting_key] is not None: