Index: Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableLineString.cs
===================================================================
diff -u -ra2efe01be4b38286eb3d6f17fa3aa865b34ab0f2 -r5c017678f919eba8f9459dfd3e57410fe6c95edd
--- Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableLineString.cs	(.../SerializableLineString.cs)	(revision a2efe01be4b38286eb3d6f17fa3aa865b34ab0f2)
+++ Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableLineString.cs	(.../SerializableLineString.cs)	(revision 5c017678f919eba8f9459dfd3e57410fe6c95edd)
@@ -21,10 +21,9 @@
 
 using System;
 using System.Collections.Generic;
-using System.Globalization;
-using System.Linq;
 using System.Xml.Serialization;
 using Core.Common.Base.Geometry;
+using Ringtoets.AssemblyTool.IO.Model.Helpers;
 using Ringtoets.AssemblyTool.IO.Properties;
 
 namespace Ringtoets.AssemblyTool.IO.Model
@@ -55,8 +54,7 @@
                 throw new ArgumentNullException(nameof(geometry));
             }
 
-            Geometry = geometry.Select(c => c.X.ToString(CultureInfo.InvariantCulture) + " " + c.Y.ToString(CultureInfo.InvariantCulture))
-                               .Aggregate((c1, c2) => c1 + " " + c2);
+            Geometry = GeometrySerializationFormatter.Format(geometry);
         }
 
         /// <summary>