diff --git a/egs/librispeech/ASR/pruned_transducer_stateless7/zipformer.py b/egs/librispeech/ASR/pruned_transducer_stateless7/zipformer.py
index 4ed61cf5a..42dfa642f 100644
--- a/egs/librispeech/ASR/pruned_transducer_stateless7/zipformer.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless7/zipformer.py
@@ -394,7 +394,7 @@ class ZipformerEncoderLayer(nn.Module):
             layer_skip_rate: FloatLike = ScheduledFloat((0.0, 0.5), (4000.0, 0.05), default=0),
             attention_skip_rate: FloatLike = ScheduledFloat((0.0, 0.2), (4000.0, 0.05), (16000, 0.0), default=0),
             conv_skip_rate: FloatLike = ScheduledFloat((0.0, 0.2), (4000.0, 0.05), (16000, 0.0), default=0),
-            const_attention_rate: FloatLike = ScheduledFloat((0.0, 0.25), (4000.0, 0.025), default=0),
+            const_attention_rate: FloatLike = ScheduledFloat((0.0, 0.1), (4000.0, 0.01), default=0),
             bypass_min: FloatLike = ScheduledFloat((0.0, 0.75), (20000.0, 0.2), default=0),
             bypass_max: FloatLike = 1.0,
     ) -> None: