diff --git a/egs/librispeech/ASR/pruned_transducer_stateless2/scaling.py b/egs/librispeech/ASR/pruned_transducer_stateless2/scaling.py
index 8007d7f32..289efedb4 100644
--- a/egs/librispeech/ASR/pruned_transducer_stateless2/scaling.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless2/scaling.py
@@ -849,7 +849,7 @@ class Decorrelate(torch.nn.Module):
                  scale: float = 0.1,
                  apply_prob_decay: int = 500,
                  eps: float = 1.0e-05,
-                 beta: float = 0.8,
+                 beta: float = 0.9,
                  channel_dim: int = -1):
         super(Decorrelate, self).__init__()
         self.scale = scale