Index: Ringtoets/Common/src/Ringtoets.Common.IO/Writers/XmlWriterExtensions.cs
===================================================================
diff -u -rafe6bfdec2a155872cacd3bb3ed786ee5a785118 -r82db5c5ee21fae9e20fee1412dbb29b1c47b038a
--- Ringtoets/Common/src/Ringtoets.Common.IO/Writers/XmlWriterExtensions.cs	(.../XmlWriterExtensions.cs)	(revision afe6bfdec2a155872cacd3bb3ed786ee5a785118)
+++ Ringtoets/Common/src/Ringtoets.Common.IO/Writers/XmlWriterExtensions.cs	(.../XmlWriterExtensions.cs)	(revision 82db5c5ee21fae9e20fee1412dbb29b1c47b038a)
@@ -22,6 +22,7 @@
 using System;
 using System.Xml;
 using Ringtoets.Common.IO.Configurations;
+using Ringtoets.Common.IO.Configurations.Helpers;
 using Ringtoets.Common.IO.Schema;
 
 namespace Ringtoets.Common.IO.Writers
@@ -137,7 +138,7 @@
             }
             if (waveReduction.BreakWaterType.HasValue)
             {
-                writer.WriteElementString(ConfigurationSchemaIdentifiers.BreakWaterType, new ReadBreakWaterTypeConverter().ConvertToInvariantString(waveReduction.BreakWaterType.Value));
+                writer.WriteElementString(ConfigurationSchemaIdentifiers.BreakWaterType, new SchemaBreakWaterTypeConverter().ConvertToInvariantString(waveReduction.BreakWaterType.Value));
             }
             if (waveReduction.BreakWaterHeight.HasValue)
             {