diff --git a/intact/intact.py b/intact/intact.py
index 50fcfdc..ece17af 100644
--- a/intact/intact.py
+++ b/intact/intact.py
@@ -581,7 +581,7 @@ def find_candidate_positions(e, q_start, q_end):
     def find_real_correspondence(e):
         q_start = coordinates_mapping[e.start]
         q_end = coordinates_mapping[e.end - 1 if e.end == len(coordinates_mapping) else e.end]
-        candidates = list(find_candidate_positions(e, q_start, q_end))
+        candidates = find_candidate_positions(e, q_start, q_end)
         return min(candidates, key=lambda x: x.distance)
 
     def get_indel_impact(alignment):