diff --git a/egs/wenetspeech/ASR/whisper/train.py b/egs/wenetspeech/ASR/whisper/train.py
index 3f5a9f4ec..7f4d1bbdc 100644
--- a/egs/wenetspeech/ASR/whisper/train.py
+++ b/egs/wenetspeech/ASR/whisper/train.py
@@ -253,6 +253,7 @@ def get_params() -> AttributeDict:
     params = AttributeDict(
         {
             "frame_shift_ms": 10.0,
+            "subsampling_factor": 2,
             "allowed_excess_duration_ratio": 0.1,
             "best_train_loss": float("inf"),
             "best_valid_loss": float("inf"),