diff --git a/backend/app/services/vector_feature_service.py b/backend/app/services/vector_feature_service.py
index e7ed4291..65297dd3 100644
--- a/backend/app/services/vector_feature_service.py
+++ b/backend/app/services/vector_feature_service.py
@@ -198,15 +198,9 @@ class VectorFeatureService:
             return None
         normalized_name = str(selection_area_name or "").strip()
         prefix = "Gemeente "
-        suffixes = (" - officiële grens", " - officiele grens")
         if not normalized_name.startswith(prefix):
             return None
-        municipality = normalized_name[len(prefix):]
-        for suffix in suffixes:
-            if municipality.endswith(suffix):
-                municipality = municipality[: -len(suffix)]
-                break
-        municipality = municipality.strip()
+        municipality = normalized_name[len(prefix):].split(" - ", 1)[0].strip()
         return ("municipality", municipality) if municipality else None
 
     @staticmethod
diff --git a/backend/tests/test_sprint210_regional_bwk_natura2000.py b/backend/tests/test_sprint210_regional_bwk_natura2000.py
index 607d79b3..8d88172f 100644
--- a/backend/tests/test_sprint210_regional_bwk_natura2000.py
+++ b/backend/tests/test_sprint210_regional_bwk_natura2000.py
@@ -258,7 +258,7 @@ def test_regional_bwk_uses_only_canonical_preclipped_municipality_partitions() -
     )
 
     assert VectorFeatureService.preclipped_partition_filter(
-        dataset, "Gemeente Mol - officiële grens"
+        dataset, "Gemeente Mol - officiele grens"
     ) == ("municipality", "Mol")
     assert VectorFeatureService.preclipped_partition_filter(
         dataset, "Vervoerregio Kempen - officiële operationele grens"
@@ -266,5 +266,5 @@ def test_regional_bwk_uses_only_canonical_preclipped_municipality_partitions() -
 
     dataset.provenance_metadata = {"operator_tool": "unrelated_operator.py"}
     assert VectorFeatureService.preclipped_partition_filter(
-        dataset, "Gemeente Mol - officiële grens"
+        dataset, "Gemeente Mol - officiele grens"
     ) is None