diff --git a/egs/librispeech/ASR/pruned_transducer_stateless7/zipformer.py b/egs/librispeech/ASR/pruned_transducer_stateless7/zipformer.py
index 3c0a79fcd..9f2b12144 100644
--- a/egs/librispeech/ASR/pruned_transducer_stateless7/zipformer.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless7/zipformer.py
@@ -348,7 +348,7 @@ def _whitening_schedule(x: float, ratio: float = 2.0) -> ScheduledFloat:
                           default=x)
 
 def _aux_grad_scale() -> float:
-    return 0.2
+    return 0.1
 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: