diff --git a/src/AddIns/Analysis/CodeQuality/Src/MainWindow.xaml b/src/AddIns/Analysis/CodeQuality/Src/MainWindow.xaml
index ead7000708..ae1bc08557 100644
--- a/src/AddIns/Analysis/CodeQuality/Src/MainWindow.xaml
+++ b/src/AddIns/Analysis/CodeQuality/Src/MainWindow.xaml
@@ -14,6 +14,7 @@
xmlns:t="clr-namespace:TreeMaps.Controls;assembly=TreeMaps"
xmlns:loc ="clr-namespace:ICSharpCode.CodeQualityAnalysis.Utility.Localizeable"
xmlns:util="clr-namespace:ICSharpCode.CodeQualityAnalysis.Utility"
+ xmlns:core="http://icsharpcode.net/sharpdevelop/core"
Title="{Binding FrmTitle}"
x:Name="root">
@@ -40,6 +41,7 @@