Index: Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.IO/ClosingStructuresImporter.cs
===================================================================
diff -u -reabf1a800431a23b06c8d81dfbf0f46a71bb659b -ra7f920661887773056c051edc7872d27f724c840
--- Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.IO/ClosingStructuresImporter.cs	(.../ClosingStructuresImporter.cs)	(revision eabf1a800431a23b06c8d81dfbf0f46a71bb659b)
+++ Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.IO/ClosingStructuresImporter.cs	(.../ClosingStructuresImporter.cs)	(revision a7f920661887773056c051edc7872d27f724c840)
@@ -55,8 +55,7 @@
         protected override void CreateSpecificStructures(ICollection<StructureLocation> structureLocations,
                                                          Dictionary<string, List<StructuresParameterRow>> groupedStructureParameterRows)
         {
-            IEnumerable<ClosingStructure> importedClosingStructures = CreateClosingStructures(structureLocations.ToList(), groupedStructureParameterRows);
-            ImportTarget.AddRange(importedClosingStructures, FilePath);
+            ImportTarget.AddRange(CreateClosingStructures(structureLocations.ToList(), groupedStructureParameterRows), FilePath);
         }
 
         private IEnumerable<ClosingStructure> CreateClosingStructures(IEnumerable<StructureLocation> structureLocations,