diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_gtrans/.conformer_randomcombine.py.swp b/egs/librispeech/ASR/pruned_transducer_stateless_gtrans/.conformer_randomcombine.py.swp
index 408338b4c..7eccdd3c4 100644
Binary files a/egs/librispeech/ASR/pruned_transducer_stateless_gtrans/.conformer_randomcombine.py.swp and b/egs/librispeech/ASR/pruned_transducer_stateless_gtrans/.conformer_randomcombine.py.swp differ
diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_gtrans/conformer_randomcombine.py b/egs/librispeech/ASR/pruned_transducer_stateless_gtrans/conformer_randomcombine.py
index 7fcd0d85c..32ce2204e 100644
--- a/egs/librispeech/ASR/pruned_transducer_stateless_gtrans/conformer_randomcombine.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless_gtrans/conformer_randomcombine.py
@@ -211,8 +211,16 @@ class Conformer(EncoderInterface):
             )  # (T, N, C)
 
         x = x.permute(1, 0, 2)  # (T, N, C) ->(N, T, C)
-        layer_output = [x.permute(1, 0, 2) for x in layer_output]
         
+        layer_output = [x.permute(1, 0, 2) for x in layer_output]
+        x = self.layer_norm(1/4*(self.sigmoid(self.alpha[0])*layer_output[2] + \
+                                 self.sigmoid(self.alpha[1])*layer_output[5] + \
+                                 self.sigmoid(self.alpha[2])*layer_output[8] + \
+                                 self.sigmoid(self.alpha[3])*layer_output[11]
+                                )
+                            )
+
+        '''
         x = self.layer_norm(1/12*(self.sigmoid(self.alpha[0])*layer_output[0] + \
                                  self.sigmoid(self.alpha[1])*layer_output[1] + \
                                  self.sigmoid(self.alpha[2])*layer_output[2] + \
@@ -228,6 +236,7 @@ class Conformer(EncoderInterface):
                                 )
                             )
         '''
+        '''
         layer_outputs = [x.permute(1, 0, 2) for x in layer_outputs]
 
         x = 0