diff --git a/source/Components/AvalonDock.Themes.VS2013/Themes/Generic.xaml b/source/Components/AvalonDock.Themes.VS2013/Themes/Generic.xaml
index acf7dedc..1d31e2dd 100644
--- a/source/Components/AvalonDock.Themes.VS2013/Themes/Generic.xaml
+++ b/source/Components/AvalonDock.Themes.VS2013/Themes/Generic.xaml
@@ -18,28 +18,28 @@
xmlns:avalonDockProperties="clr-namespace:AvalonDock.Properties;assembly=AvalonDock"
xmlns:reskeys="clr-namespace:AvalonDock.Themes.VS2013.Themes"
xmlns:shell="clr-namespace:Microsoft.Windows.Shell;assembly=AvalonDock">
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diff --git a/source/Components/AvalonDock/Controls/LayoutAnchorableItem.cs b/source/Components/AvalonDock/Controls/LayoutAnchorableItem.cs
index f53cebf3..daee7dfa 100644
--- a/source/Components/AvalonDock/Controls/LayoutAnchorableItem.cs
+++ b/source/Components/AvalonDock/Controls/LayoutAnchorableItem.cs
@@ -40,7 +40,12 @@ public class LayoutAnchorableItem : LayoutItem
#endregion fields
#region Constructors
-
+ static LayoutAnchorableItem()
+ {
+ // #182: LayoutAnchorable initializes with CanClose == false. We therefore also override the metadata for LayoutAnchorableItem to match this.
+ // Only the default value will be overriden. PropertyChangedCallbacks, etc should be unaffected.
+ CanCloseProperty.OverrideMetadata(typeof(LayoutAnchorableItem), new FrameworkPropertyMetadata(false));
+ }
/// Class constructor
internal LayoutAnchorableItem()
{