diff --git a/src/WPFDevelopers.Shared/Controls/Windows/WindowAcrylicBlur.cs b/src/WPFDevelopers.Shared/Controls/Windows/WindowAcrylicBlur.cs
index d2c5e03d..519863ce 100644
--- a/src/WPFDevelopers.Shared/Controls/Windows/WindowAcrylicBlur.cs
+++ b/src/WPFDevelopers.Shared/Controls/Windows/WindowAcrylicBlur.cs
@@ -4,6 +4,7 @@
 using System.Windows.Interop;
 using System.Windows.Media;
 using Microsoft.Win32;
+using WPFDevelopers.Helpers;
 #if NET40
 using Microsoft.Windows.Shell;
 using WPFDevelopers.Helpers;