diff --git a/egs/librispeech/ASR/tdnn_lstm_ctc/asr_datamodule.py b/egs/librispeech/ASR/tdnn_lstm_ctc/asr_datamodule.py
index df2e48421..c1b16bcf0 100644
--- a/egs/librispeech/ASR/tdnn_lstm_ctc/asr_datamodule.py
+++ b/egs/librispeech/ASR/tdnn_lstm_ctc/asr_datamodule.py
@@ -222,7 +222,7 @@ class LibriSpeechAsrDataModule:
                     features_mask_size=27,
                     num_feature_masks=2,
                     frames_mask_size=100,
-                    max_frames_mask_fraction=0.2,
+                    max_frames_mask_fraction=0.15,
                     p=0.9
                 )
             )
diff --git a/egs/librispeech/ASR/transducer_stateless/train.py b/egs/librispeech/ASR/transducer_stateless/train.py
index 4bd85ca2e..dccf9b99b 100755
--- a/egs/librispeech/ASR/transducer_stateless/train.py
+++ b/egs/librispeech/ASR/transducer_stateless/train.py
@@ -109,7 +109,7 @@ def get_parser():
     parser.add_argument(
         "--exp-dir",
         type=str,
-        default="transducer_stateless/exp-100h-relu-specaugmod_p0.9_0.2_fix",
+        default="transducer_stateless/exp-100h-relu-specaugmod_p0.9_0.15_fix",
         help="""The experiment dir.
         It specifies the directory where all training related
         files, e.g., checkpoints, log, etc, are saved