diff --git a/icefall/.decode.py.swp b/icefall/.decode.py.swp
index cf4815b71..c2602a375 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 000570787..322f98937 100644
--- a/icefall/decode.py
+++ b/icefall/decode.py
@@ -980,7 +980,7 @@ def rescore_with_attention_decoder(
             tot_scores = (
                 am_scores.values
                 + n_scale * ngram_lm_scores.values
-                a_scale * attention_scores
+                + a_scale * attention_scores
             )
             ragged_tot_scores = k2.RaggedTensor(nbest.shape, tot_scores)
             max_indexes = ragged_tot_scores.argmax()