diff --git a/egs/tedlium2/ASR/conformer_ctc2/.train.py.swp b/egs/tedlium2/ASR/conformer_ctc2/.train.py.swp
index 4eb60a7c2..dafe37dae 100644
Binary files a/egs/tedlium2/ASR/conformer_ctc2/.train.py.swp and b/egs/tedlium2/ASR/conformer_ctc2/.train.py.swp differ
diff --git a/egs/tedlium2/ASR/conformer_ctc2/train.py b/egs/tedlium2/ASR/conformer_ctc2/train.py
index 7f376fdb5..1ee7bb4b7 100755
--- a/egs/tedlium2/ASR/conformer_ctc2/train.py
+++ b/egs/tedlium2/ASR/conformer_ctc2/train.py
@@ -336,9 +336,9 @@ def get_params() -> AttributeDict:
             # parameters for conformer
             "feature_dim": 80,
             "subsampling_factor": 4,
-            "encoder_dim": 512,
-            "nhead": 8,
-            "dim_feedforward": 2048,
+            "encoder_dim": 256,
+            "nhead": 4,
+            "dim_feedforward": 1024,
             "num_encoder_layers": 18,
             # parameters for ctc loss
             "beam_size": 10,