Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Standard/ObjectCopier.cs
===================================================================
diff -u -r3522 -r3853
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Standard/ObjectCopier.cs	(.../ObjectCopier.cs)	(revision 3522)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Standard/ObjectCopier.cs	(.../ObjectCopier.cs)	(revision 3853)
@@ -69,7 +69,7 @@
         public static bool IsPrimitive(this Type type)
         {
             if (type == typeof(String)) return true;
-            return (type.IsValueType & type.IsPrimitive);
+            return type.IsValueType && type.IsPrimitive;
         }
 
         /// <summary>