diff --git a/modules/mol/alg/pymod/scoring.py b/modules/mol/alg/pymod/scoring.py
index 26633216af42f385dec363b1fd98168ee0a2c4d6..3ccecfd23860e862eb9818d327baca2d683ced26 100644
--- a/modules/mol/alg/pymod/scoring.py
+++ b/modules/mol/alg/pymod/scoring.py
@@ -1702,6 +1702,7 @@ class Scorer:
 
         self._mapping = chain_mapping.MappingResult(chain_mapper.target, mdl,
                                                     chain_mapper.chem_groups,
+                                                    chem_mapping,
                                                     final_mapping, alns)
 
     def _compute_tmscore(self):