Index: Ringtoets/Revetment/src/Ringtoets.Revetment.IO/WaveConditionsInputConfigurationWriter.cs
===================================================================
diff -u -r0e700dc5121b8f56c96d1d552056bbe6ebe29300 -r90555cd02cecb2d187e60946deb3d5415cbb3b18
--- Ringtoets/Revetment/src/Ringtoets.Revetment.IO/WaveConditionsInputConfigurationWriter.cs	(.../WaveConditionsInputConfigurationWriter.cs)	(revision 0e700dc5121b8f56c96d1d552056bbe6ebe29300)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.IO/WaveConditionsInputConfigurationWriter.cs	(.../WaveConditionsInputConfigurationWriter.cs)	(revision 90555cd02cecb2d187e60946deb3d5415cbb3b18)
@@ -103,11 +103,11 @@
             switch (type)
             {
                 case BreakWaterType.Caisson:
-                    return "caisson";
+                    return WaveConditionsInputConfigurationSchemaIdentifiers.BreakWaterCaisson;
                 case BreakWaterType.Dam:
-                    return "havendam";
+                    return WaveConditionsInputConfigurationSchemaIdentifiers.BreakWaterDam;
                 case BreakWaterType.Wall:
-                    return "verticalewand";
+                    return WaveConditionsInputConfigurationSchemaIdentifiers.BreakWaterWall;
                 default:
                     throw new InvalidEnumArgumentException(nameof(type), (int) type, typeof(BreakWaterType));
             }