Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/Gml/SerializableBoundaryTest.cs
===================================================================
diff -u -rf79dd2e1f821a759c13b3576e09532105789a05d -ra2efe01be4b38286eb3d6f17fa3aa865b34ab0f2
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/Gml/SerializableBoundaryTest.cs	(.../SerializableBoundaryTest.cs)	(revision f79dd2e1f821a759c13b3576e09532105789a05d)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/Gml/SerializableBoundaryTest.cs	(.../SerializableBoundaryTest.cs)	(revision a2efe01be4b38286eb3d6f17fa3aa865b34ab0f2)
@@ -20,6 +20,7 @@
 // All rights reserved.
 
 using System;
+using System.Globalization;
 using Core.Common.Base.Geometry;
 using NUnit.Framework;
 using Ringtoets.AssemblyTool.IO.Model.Gml;
@@ -83,8 +84,10 @@
             var boundary = new SerializableBoundary(lowerCorner, upperCorner);
 
             // Assert
-            Assert.AreEqual(lowerCorner.X + " " + lowerCorner.Y, boundary.Envelope.LowerCorner);
-            Assert.AreEqual(upperCorner.X + " " + upperCorner.Y, boundary.Envelope.UpperCorner);
+            Assert.AreEqual(lowerCorner.X.ToString(CultureInfo.InvariantCulture) + " " + lowerCorner.Y.ToString(CultureInfo.InvariantCulture),
+                            boundary.Envelope.LowerCorner);
+            Assert.AreEqual(upperCorner.X.ToString(CultureInfo.InvariantCulture) + " " + upperCorner.Y.ToString(CultureInfo.InvariantCulture),
+                            boundary.Envelope.UpperCorner);
         }
     }
 }
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