diff --git a/egs/librispeech/ASR/conformer_ctc_bn_2d/train.py b/egs/librispeech/ASR/conformer_ctc_bn_2d/train.py
index 9aca757e7..b120e264d 100755
--- a/egs/librispeech/ASR/conformer_ctc_bn_2d/train.py
+++ b/egs/librispeech/ASR/conformer_ctc_bn_2d/train.py
@@ -175,7 +175,7 @@ def get_params() -> AttributeDict:
             "att_scale": 0.5,
             "reverse_att_scale": 0.25,
             "ctc_scale": 0.3,
-            "delay_scale": 2.5,    # Scale on difference between current and
+            "delay_scale": 2.0,    # Scale on difference between current and
                                    # delayed version of positive_embed.
             "delay_minibatches": 300,
             "attention_dim": 512,