diff --git a/examples/speechcommand_v1/s0/conf/mdtc.yaml b/examples/speechcommand_v1/s0/conf/mdtc.yaml
index 80a9c6d..d9046cd 100644
--- a/examples/speechcommand_v1/s0/conf/mdtc.yaml
+++ b/examples/speechcommand_v1/s0/conf/mdtc.yaml
@@ -46,7 +46,7 @@ optim_conf:
     weight_decay: 0.00005
 
 training_config:
-    grad_clip: 50
+    grad_clip: 5
     max_epoch: 100
     log_interval: 10
     criterion: ce