diff --git a/modules/mol/alg/tests/test_ligand_scoring.py b/modules/mol/alg/tests/test_ligand_scoring.py
index 354a41e1f50f68826ec2bfcc78a5c53df9b623e9..0eb5037878a84b921b61415d975c2dbce557ad8b 100644
--- a/modules/mol/alg/tests/test_ligand_scoring.py
+++ b/modules/mol/alg/tests/test_ligand_scoring.py
@@ -527,7 +527,8 @@ class TestLigandScoring(unittest.TestCase):
         mdl_ed.UpdateICS()
         trg_ed.UpdateICS()
 
-        sc = LigandScorer(mdl, trg, None, None, unassigned=True)
+        sc = LigandScorer(mdl, trg, None, None, unassigned=True,
+                          full_bs_search=True)
 
         # Check unassigned targets
         # NA: not in contact with target
@@ -585,7 +586,7 @@ class TestLigandScoring(unittest.TestCase):
 
         # Should work with rmsd_assignment too
         sc = LigandScorer(mdl, trg, None, None, unassigned=True,
-                          rmsd_assignment=True)
+                          rmsd_assignment=True, full_bs_search=True)
         self.assertEqual(sc.unassigned_model_ligands, {
             'L_ZN': {1: 'model_representation'},
             'L_NA': {1: 'binding_site'},
@@ -623,6 +624,28 @@ class TestLigandScoring(unittest.TestCase):
             sc = LigandScorer(mdl.Select("cname=A"), trg.Select("cname=A"), None, None,
                               unassigned=True, rmsd_assignment=True)
 
+        # Test with partial bs search (full_bs_search=False)
+        # Here we expect L_MG_2 to be unassigned because of model_representation
+        # rather than stoichiometry, as it is so far from the binding site that
+        # there is no longer a model binding site.
+        sc = LigandScorer(mdl, trg, None, None, unassigned=True,
+                          rmsd_assignment=True, full_bs_search=False)
+        self.assertEqual(sc.unassigned_model_ligands, {
+            'L_ZN': {1: 'model_representation'},
+            'L_NA': {1: 'binding_site'},
+            'L_OXY': {1: 'identity'},
+            'L_MG_2': {1: 'model_representation'},
+            "L_CMO": {1: 'disconnected'}
+        })
+        self.assertEqual(sc.unassigned_target_ligands, {
+            'G': {1: 'identity'},
+            'H': {1: 'model_representation'},
+            'J': {1: 'stoichiometry'},
+            'K': {1: 'identity'},
+            'L_NA': {1: 'binding_site'},
+            "L_CMO": {1: 'disconnected'}
+        })
+
 
     def test_substructure_match(self):
         """Test that substructure_match=True works."""