diff --git a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/PropertyGrid/Implementation/PropertyGrid.cs b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/PropertyGrid/Implementation/PropertyGrid.cs
index 4a12cedf..51b8cfed 100644
--- a/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/PropertyGrid/Implementation/PropertyGrid.cs
+++ b/ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/PropertyGrid/Implementation/PropertyGrid.cs
@@ -532,6 +532,7 @@ namespace Microsoft.Windows.Controls.PropertyGrid
             SelectedObjectName = String.Empty;
             SelectedObjectType = null;
             _propertyItemsCache = null;
+            SelectedProperty = null;
             Properties = null;
         }