Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Create/Piping/PipingSoilProfileCreateExtensions.cs
===================================================================
diff -u -ra294987551b0b2d8a27b6e1bc6235b0e2351b6f4 -r37aadd6a7b1a13ef1c8809b3479df0911c6632bb
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Create/Piping/PipingSoilProfileCreateExtensions.cs	(.../PipingSoilProfileCreateExtensions.cs)	(revision a294987551b0b2d8a27b6e1bc6235b0e2351b6f4)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Create/Piping/PipingSoilProfileCreateExtensions.cs	(.../PipingSoilProfileCreateExtensions.cs)	(revision 37aadd6a7b1a13ef1c8809b3479df0911c6632bb)
@@ -65,9 +65,10 @@
 
         private static void AddEntitiesForPipingSoilLayers(PipingSoilProfile profile, PersistenceRegistry registry, SoilProfileEntity entity)
         {
+            int index = 0;
             foreach (var pipingSoilLayer in profile.Layers)
             {
-                entity.SoilLayerEntities.Add(pipingSoilLayer.Create(registry));
+                entity.SoilLayerEntities.Add(pipingSoilLayer.Create(registry, index++));
             }
         }
     }