Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Create/StochasticSoilProfileCreateExtensions.cs
===================================================================
diff -u -rae6f0c6b534ca650e160ae6d9c0bc90369d25c68 -r6a9a423fddb189769e43cc9d69d4dd828a6f68e2
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Create/StochasticSoilProfileCreateExtensions.cs	(.../StochasticSoilProfileCreateExtensions.cs)	(revision ae6f0c6b534ca650e160ae6d9c0bc90369d25c68)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Create/StochasticSoilProfileCreateExtensions.cs	(.../StochasticSoilProfileCreateExtensions.cs)	(revision 6a9a423fddb189769e43cc9d69d4dd828a6f68e2)
@@ -44,6 +44,10 @@
                 Probability = Convert.ToDecimal(profile.Probability),
                 SoilProfileEntity = profile.SoilProfile.Create(registry)
             };
+            if (registry.Contains(profile))
+            {
+                return registry.Get(profile);
+            }
 
             registry.Register(entity, profile);
             return entity;