Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.KernelWrapper/Kernels/UpliftVan/UpliftVanKernelWrapper.cs
===================================================================
diff -u -r7822834024ae12c82ec93ba3f57556cb4a503296 -rcf7e0b124334ae558a5d8dee4fc515577d5f6f25
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.KernelWrapper/Kernels/UpliftVan/UpliftVanKernelWrapper.cs	(.../UpliftVanKernelWrapper.cs)	(revision 7822834024ae12c82ec93ba3f57556cb4a503296)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.KernelWrapper/Kernels/UpliftVan/UpliftVanKernelWrapper.cs	(.../UpliftVanKernelWrapper.cs)	(revision cf7e0b124334ae558a5d8dee4fc515577d5f6f25)
@@ -190,7 +190,7 @@
             }
         }
 
-        public List<Tuple<ValidationResultType, string>> Validate()
+        public IEnumerable<ValidationResult> Validate()
         {
             try
             {
@@ -199,7 +199,7 @@
 
                 string result = wtiStabilityCalculation.Validate();
                 ValidationResult[] deserializedResult = WTIDeserializer.DeserializeValidation(result);
-                return deserializedResult.Select(r => new Tuple<ValidationResultType, string>(r.MessageType, r.Text)).ToList();
+                return deserializedResult;
             }
             catch (Exception e)
             {