diff --git a/egs/librispeech/ASR/pruned_transducer_stateless7/train.py b/egs/librispeech/ASR/pruned_transducer_stateless7/train.py
index 5de7102d3..aa345dd84 100755
--- a/egs/librispeech/ASR/pruned_transducer_stateless7/train.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless7/train.py
@@ -927,7 +927,8 @@ def run(rank, world_size, args):
         model = DDP(model, device_ids=[rank])
 
     optimizer = ScaledAdam(model.parameters(),
-                           lr=params.initial_lr)
+                           lr=params.initial_lr,
+                           clipping_scale=2.0)
 
     scheduler = Eden(optimizer, params.lr_batches, params.lr_epochs)