diff --git a/src/Shared/HandyControl_Shared/Controls/PropertyGrid/PropertyGrid.cs b/src/Shared/HandyControl_Shared/Controls/PropertyGrid/PropertyGrid.cs
index 1f6365ce2..b5b20fcb5 100644
--- a/src/Shared/HandyControl_Shared/Controls/PropertyGrid/PropertyGrid.cs
+++ b/src/Shared/HandyControl_Shared/Controls/PropertyGrid/PropertyGrid.cs
@@ -126,7 +126,7 @@ private void UpdateItems(object obj)
     {
         if (obj == null || _itemsControl == null) return;
 
-        _dataView = CollectionViewSource.GetDefaultView(TypeDescriptor.GetProperties(obj.GetType()).OfType<PropertyDescriptor>()
+        _dataView = CollectionViewSource.GetDefaultView(TypeDescriptor.GetProperties(obj).OfType<PropertyDescriptor>()
             .Where(item => PropertyResolver.ResolveIsBrowsable(item)).Select(CreatePropertyItem)
             .Do(item => item.InitElement()));