diff --git a/crisprbact/predict.py b/crisprbact/predict.py
index 90bd8103aa35a7d20bd2e735da709dfd8fca9934..4113aad8d43a8792ec91faa12ba0243887d86095 100644
--- a/crisprbact/predict.py
+++ b/crisprbact/predict.py
@@ -74,7 +74,6 @@ def on_target_predict(seq, genome=None, seed_sizes=[8, 9, 10, 11, 12]):
         )
         X = X.reshape(X.shape[0], -1)
         preds = predict(X)
-
         for i, target in enumerate(alltargets):
             target_id = i + 1
             target.update({"target_id": target_id})
@@ -114,7 +113,7 @@ def on_target_predict(seq, genome=None, seed_sizes=[8, 9, 10, 11, 12]):
                                 "off_target_pampos": off_t[2],
                                 "off_target_strand": off_t[3],
                                 "off_target_recid": off_t[4],
-                                "off_target_max_matching_seq": off_t[6],
+                                "off_target_longest_perfect_match": off_t[6],
                                 "off_target_pam_seq": off_t[7],
                                 "off_target_good_orientation": None,
                             }