diff --git a/casanovo/denovo/model.py b/casanovo/denovo/model.py
index 67d561b..8850c3d 100644
--- a/casanovo/denovo/model.py
+++ b/casanovo/denovo/model.py
@@ -1148,7 +1148,7 @@ def _calc_match_score(
         (for an entire batch)
     """
     # Remove trailing tokens from predictions based on decoder reversal
-    if decoder_reverse:
+    if not decoder_reverse:
         batch_all_aa_scores = batch_all_aa_scores[:, 1:]
     else:
         batch_all_aa_scores = batch_all_aa_scores[:, :-1]
@@ -1163,6 +1163,8 @@ def _calc_match_score(
 
     per_aa_scores = batch_all_aa_scores[rows, cols, truth_aa_indices]
 
+    logging.debug("$$$$$$$$$$$$$||%s||$$$$$$$$$$$$$$", per_aa_scores)
+
     per_aa_scores[per_aa_scores == 0] += 1e-10
     score_mask = truth_aa_indices != 0
     per_aa_scores[~score_mask] = 0