diff --git a/icefall/.decode.py.swp b/icefall/.decode.py.swp
index 807e2843b..d175b1cba 100644
Binary files a/icefall/.decode.py.swp and b/icefall/.decode.py.swp differ
diff --git a/icefall/decode.py b/icefall/decode.py
index ff460db55..97c5f22f4 100644
--- a/icefall/decode.py
+++ b/icefall/decode.py
@@ -969,7 +969,7 @@ def rescore_with_attention_decoder(
     if attention_scale is None:
         #attention_scale_list = [0.01, 0.05, 0.08]
         #attention_scale_list += [0.1, 0.3, 0.5, 0.6, 0.7, 0.9, 1.0]
-        attention_scale_list += [1.1, 1.2, 1.3, 1.5, 1.7, 1.9, 2.0]
+        attention_scale_list = [1.1, 1.2, 1.3, 1.5, 1.7, 1.9, 2.0]
         attention_scale_list += [2.1, 2.2, 2.3, 2.5, 3.0, 4.0, 5.0]
         attention_scale_list += [6.0, 7.0, 8.0, 9.0, 10.0, 20.0, 30.0, 40.0]
     else: