Index: src/Deltares.DSoilModel.Data/DSoilModelProject.cs
===================================================================
diff -u -r435 -r437
--- src/Deltares.DSoilModel.Data/DSoilModelProject.cs	(.../DSoilModelProject.cs)	(revision 435)
+++ src/Deltares.DSoilModel.Data/DSoilModelProject.cs	(.../DSoilModelProject.cs)	(revision 437)
@@ -691,6 +691,7 @@
                     var isNewSoil = true;
 
                     SetSoilDefaults(newSoil);
+                    CheckStrengthModelSoil(newSoil);
 
                     foreach (var soilAlreadyKnown in soils.Soils)
                     {
@@ -727,8 +728,6 @@
                         // Is a different soil with different properties that should be added under a new name
                         UniqueNameProvider.ProvideUniqueName(soils.Soils, newSoil);
 
-                        CheckValiditySoil(newSoil);
-
                         soils.Add(newSoil);
                         if (newSoilData.AquiferDictionary != null && newSoilData.AquiferDictionary.ContainsKey(newSoil))
                         {
@@ -1311,7 +1310,7 @@
         }
     
         // Check the stress model for the given - set to None if not C-Phi or Su berekend
-        private void CheckValiditySoil(Soil soil)
+        private void CheckStrengthModelSoil(Soil soil)
         {
             if (soil.ShearStrengthModel != ShearStrengthModel.CPhi && soil.ShearStrengthModel != ShearStrengthModel.CuCalculated && soil.ShearStrengthModel != ShearStrengthModel.CuCalculatedYield)
             {