diff --git a/egs/librispeech/ASR/conformer_ctc2/.conformer.py.swp b/egs/librispeech/ASR/conformer_ctc2/.conformer.py.swp
index 254c0e8b4..9b65969a1 100644
Binary files a/egs/librispeech/ASR/conformer_ctc2/.conformer.py.swp and b/egs/librispeech/ASR/conformer_ctc2/.conformer.py.swp differ
diff --git a/egs/librispeech/ASR/conformer_ctc2/.train.py.swp b/egs/librispeech/ASR/conformer_ctc2/.train.py.swp
index 61a4d39fb..f78aaf1a8 100644
Binary files a/egs/librispeech/ASR/conformer_ctc2/.train.py.swp and b/egs/librispeech/ASR/conformer_ctc2/.train.py.swp differ
diff --git a/egs/librispeech/ASR/conformer_ctc2/conformer.py b/egs/librispeech/ASR/conformer_ctc2/conformer.py
index b6983f728..69d89467a 100644
--- a/egs/librispeech/ASR/conformer_ctc2/conformer.py
+++ b/egs/librispeech/ASR/conformer_ctc2/conformer.py
@@ -194,9 +194,12 @@ class Conformer(Transformer):
         
         if self.group_num > 0:
             x = 0
-            for enum, alpha in enumerate(self.alpha):
-                if self.learnable_alpha: x += self.sigmoid(alpha) * layer_outputs[(enum+1)*self.group_layer_num-1]
-                else: x += (1/self.group_num) * layer_outputs[(enum+1)*self.group_layer_num-1]
+            if self.learnable_alpha:
+                for enum, alpha in enumerate(self.alpha):
+                     x += self.sigmoid(alpha) * layer_outputs[(enum+1)*self.group_layer_num-1]
+            else:
+                for enum in range(self.group_num):
+                    x += (1/self.group_num) * layer_outputs[(enum+1)*self.group_layer_num-1]
             x = self.layer_norm(x)
 
         if self.interctc or self.interctc_condition or self.group_num > 0: