diff --git a/egs/tedlium2/ASR/conformer_ctc3/.conformer.py.swp b/egs/tedlium2/ASR/conformer_ctc3/.conformer.py.swp
index 9e6926778..e754d62b6 100644
Binary files a/egs/tedlium2/ASR/conformer_ctc3/.conformer.py.swp and b/egs/tedlium2/ASR/conformer_ctc3/.conformer.py.swp differ
diff --git a/egs/tedlium2/ASR/conformer_ctc3/.train.py.swp b/egs/tedlium2/ASR/conformer_ctc3/.train.py.swp
index 4098333a8..249ea38eb 100644
Binary files a/egs/tedlium2/ASR/conformer_ctc3/.train.py.swp and b/egs/tedlium2/ASR/conformer_ctc3/.train.py.swp differ
diff --git a/egs/tedlium2/ASR/conformer_ctc3/conformer.py b/egs/tedlium2/ASR/conformer_ctc3/conformer.py
index fad2f371f..1ba68fb65 100644
--- a/egs/tedlium2/ASR/conformer_ctc3/conformer.py
+++ b/egs/tedlium2/ASR/conformer_ctc3/conformer.py
@@ -48,7 +48,7 @@ class Conformer(Transformer):
         num_decoder_layers: int = 6,
         dropout: float = 0.1,
         layer_dropout: float = 0.075,
-        cnn_module_kernel: int = 31,
+        cnn_module_kernel: int = 15,
         aux_layer_period: int = 3,
     ) -> None:
         """