diff --git a/egs/librispeech/ASR/.run_adapter.sh.swp b/egs/librispeech/ASR/.run_adapter.sh.swp
index 66c4cc41f..8296a4a4b 100644
Binary files a/egs/librispeech/ASR/.run_adapter.sh.swp and b/egs/librispeech/ASR/.run_adapter.sh.swp differ
diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.convolution.py.swp b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.convolution.py.swp
index 51828130c..ac8eeac38 100644
Binary files a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.convolution.py.swp and b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.convolution.py.swp differ
diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/convolution.py b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/convolution.py
index cb6dda2cf..be8b1146c 100644
--- a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/convolution.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/convolution.py
@@ -66,6 +66,7 @@ class ConvolutionModule(nn.Module):
 
         """
         # exchange the temporal dimension and the feature dimension
+        residual = x
         x = x.transpose(1, 2)
 
         # GLU mechanism