diff --git a/source/Components/Xceed.Wpf.AvalonDock.Themes.Expression/Theme.xaml b/source/Components/Xceed.Wpf.AvalonDock.Themes.Expression/Theme.xaml
index b87def3f..9a27808b 100644
--- a/source/Components/Xceed.Wpf.AvalonDock.Themes.Expression/Theme.xaml
+++ b/source/Components/Xceed.Wpf.AvalonDock.Themes.Expression/Theme.xaml
@@ -1387,8 +1387,12 @@
-
+
+
diff --git a/source/Components/Xceed.Wpf.AvalonDock.Themes.Metro/Theme.xaml b/source/Components/Xceed.Wpf.AvalonDock.Themes.Metro/Theme.xaml
index 130369f6..9f2ae367 100644
--- a/source/Components/Xceed.Wpf.AvalonDock.Themes.Metro/Theme.xaml
+++ b/source/Components/Xceed.Wpf.AvalonDock.Themes.Metro/Theme.xaml
@@ -1521,5 +1521,10 @@
+
+
diff --git a/source/Components/Xceed.Wpf.AvalonDock.Themes.VS2013/Theme.xaml b/source/Components/Xceed.Wpf.AvalonDock.Themes.VS2013/Theme.xaml
index 566d4d5e..0a4153d3 100644
--- a/source/Components/Xceed.Wpf.AvalonDock.Themes.VS2013/Theme.xaml
+++ b/source/Components/Xceed.Wpf.AvalonDock.Themes.VS2013/Theme.xaml
@@ -2236,5 +2236,10 @@
+
+
diff --git a/source/Components/Xceed.Wpf.AvalonDock/Themes/generic.xaml b/source/Components/Xceed.Wpf.AvalonDock/Themes/generic.xaml
index 0f521ba5..76ecd07c 100644
--- a/source/Components/Xceed.Wpf.AvalonDock/Themes/generic.xaml
+++ b/source/Components/Xceed.Wpf.AvalonDock/Themes/generic.xaml
@@ -1074,7 +1074,12 @@
-
+
+
+