Index: src/Deltares.DSoilModel.Forms/DSoilModelContext.cs
===================================================================
diff -u -r354 -r385
--- src/Deltares.DSoilModel.Forms/DSoilModelContext.cs	(.../DSoilModelContext.cs)	(revision 354)
+++ src/Deltares.DSoilModel.Forms/DSoilModelContext.cs	(.../DSoilModelContext.cs)	(revision 385)
@@ -158,9 +158,14 @@
                 }
             }
 
-            if (source is Soil)
+            var soil = source as Soil;
+            if (soil != null)
             {
-                if (member == "UseDefaultShearStrengthModel")
+                // For Wti version, stresstables are not to be used (DSB-506)
+                if (member == soil.GetMemberName(s => s.UseDefaultShearStrengthModel) ||
+                    member == soil.GetMemberName(s => s.StressTable) ||
+                    member == soil.GetMemberName(s => s.StressTableStochast) ||
+                    member == soil.GetMemberName(s => s.BondStressTable))
                 {
                     return false;
                 }