Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Create/Piping/StochasticSoilProfileCreateExtensions.cs
===================================================================
diff -u -r01ff2c58c13df8f42661ae3e446dc2caaa94247e -ra294987551b0b2d8a27b6e1bc6235b0e2351b6f4
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Create/Piping/StochasticSoilProfileCreateExtensions.cs	(.../StochasticSoilProfileCreateExtensions.cs)	(revision 01ff2c58c13df8f42661ae3e446dc2caaa94247e)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Create/Piping/StochasticSoilProfileCreateExtensions.cs	(.../StochasticSoilProfileCreateExtensions.cs)	(revision a294987551b0b2d8a27b6e1bc6235b0e2351b6f4)
@@ -43,7 +43,7 @@
         {
             var entity = new StochasticSoilProfileEntity
             {
-                Probability = Convert.ToDecimal(profile.Probability),
+                Probability = profile.Probability.ToNaNAsNull(),
                 SoilProfileEntity = profile.SoilProfile.Create(registry)
             };
             if (registry.Contains(profile))