diff --git a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/PropertyGrid/Implementation/PropertyItem.cs b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/PropertyGrid/Implementation/PropertyItem.cs
index 4f7ad870..2bff3aa1 100644
--- a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/PropertyGrid/Implementation/PropertyItem.cs
+++ b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/PropertyGrid/Implementation/PropertyItem.cs
@@ -395,7 +395,7 @@ namespace Microsoft.Windows.Controls.PropertyGrid
         private void ResolveExpandableObject()
         {
             var attribute = PropertyGridUtilities.GetAttribute<ExpandableObjectAttribute>(PropertyDescriptor);
-            if (attribute != null && PropertyDescriptor.GetValue(Instance) != null)
+            if (attribute != null)
             {
                 HasChildProperties = true;
                 IsReadOnly = true;