Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Create/Piping/PipingSoilProfileCreateExtensions.cs
===================================================================
diff -u -r01ff2c58c13df8f42661ae3e446dc2caaa94247e -ra294987551b0b2d8a27b6e1bc6235b0e2351b6f4
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Create/Piping/PipingSoilProfileCreateExtensions.cs	(.../PipingSoilProfileCreateExtensions.cs)	(revision 01ff2c58c13df8f42661ae3e446dc2caaa94247e)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Create/Piping/PipingSoilProfileCreateExtensions.cs	(.../PipingSoilProfileCreateExtensions.cs)	(revision a294987551b0b2d8a27b6e1bc6235b0e2351b6f4)
@@ -54,7 +54,7 @@
             var entity = new SoilProfileEntity
             {
                 Name = profile.Name,
-                Bottom = Convert.ToDecimal(profile.Bottom)
+                Bottom = profile.Bottom.ToNaNAsNull()
             };
 
             AddEntitiesForPipingSoilLayers(profile, registry, entity);