Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/Common/SoilProfile2DHelper.cs
===================================================================
diff -u -r5981 -r5983
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/Common/SoilProfile2DHelper.cs	(.../SoilProfile2DHelper.cs)	(revision 5981)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/Common/SoilProfile2DHelper.cs	(.../SoilProfile2DHelper.cs)	(revision 5983)
@@ -181,7 +181,7 @@
             {
                 foreach (GeometryLoop innerLoop in surface.InnerLoops)
                 {
-                    GeometrySurface geometrySurfaceOfInnerLoop = soilProfile2D.Geometry.Surfaces.First(s => s.OuterLoop == innerLoop);
+                    GeometrySurface geometrySurfaceOfInnerLoop = soilProfile2D.Geometry.Surfaces.First(s => s.OuterLoop.HasSameCurves(innerLoop));
                     SoilLayer2D soilLayerOfInnerLoop = soilProfile2D.Surfaces.First(s => s.GeometrySurface == geometrySurfaceOfInnerLoop);
                     if (soilLayerOfInnerLoop.IsAquifer)
                     {
Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/PlLinesCreator/SoilProfileValidatorTests.cs
===================================================================
diff -u -r5846 -r5983
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/PlLinesCreator/SoilProfileValidatorTests.cs	(.../SoilProfileValidatorTests.cs)	(revision 5846)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/PlLinesCreator/SoilProfileValidatorTests.cs	(.../SoilProfileValidatorTests.cs)	(revision 5983)
@@ -527,7 +527,8 @@
     /// layer with label L 13 and material "wl_zand" inside the current layer with label L 8 and material "klei antropogeen".
     /// The aquifers.csv file is also modified by adding layer L 13.
     /// </summary>
-    [Test, Category(Categories.WorkInProgress)]
+    [Test]
+    [SetUICulture("nl-NL")]
     public void Given2DProfileFromXmlInputWithAquiferInnerLoopInAquitardOuterLoop_WhenValidating_ThenExceptionReturned()
     {
         const string mapTestFiles = @"PlLinesCreator\TestFiles\";