diff --git a/egs/librispeech/ASR/pruned_transducer_stateless7/zipformer.py b/egs/librispeech/ASR/pruned_transducer_stateless7/zipformer.py
index 60cd7b1d7..91e58613a 100644
--- a/egs/librispeech/ASR/pruned_transducer_stateless7/zipformer.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless7/zipformer.py
@@ -343,7 +343,7 @@ def _whitening_schedule(x: float, ratio: float = 2.0) -> ScheduledFloat:
                           default=x)
 
 def _aux_grad_scale() -> float:
-    return 0.1
+    return 0.2
 def _aux_grad_prob_out() -> ScheduledFloat:
     return ScheduledFloat((0.0, 0.25), (1000.0, 0.05), (8000.0, 0.0125))
 def _aux_grad_prob_in() -> ScheduledFloat: