Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Read/ClosingStructures/ClosingStructureEntityReadExtensions.cs
===================================================================
diff -u -r9ee8f17742a5407fd9453aeb12f20cfedb20c73e -rac5da35861aeeaaab57c029d1dc7f6ed47013d25
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Read/ClosingStructures/ClosingStructureEntityReadExtensions.cs	(.../ClosingStructureEntityReadExtensions.cs)	(revision 9ee8f17742a5407fd9453aeb12f20cfedb20c73e)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Read/ClosingStructures/ClosingStructureEntityReadExtensions.cs	(.../ClosingStructureEntityReadExtensions.cs)	(revision ac5da35861aeeaaab57c029d1dc7f6ed47013d25)
@@ -105,7 +105,7 @@
                 },
                 ProbabilityOpenStructureBeforeFlooding = entity.ProbabilityOpenStructureBeforeFlooding.ToNullAsNaN(),
                 FailureProbabilityOpenStructure = entity.FailureProbabilityOpenStructure.ToNullAsNaN(),
-                IdenticalApertures = (int) entity.IdenticalApertures,
+                IdenticalApertures = entity.IdenticalApertures,
                 FailureProbabilityReparation = entity.FailureProbabilityReparation.ToNullAsNaN(),
                 InflowModelType = (ClosingStructureInflowModelType) entity.InflowModelType,
             });