diff --git a/Pilz.IO/Extensions.cs b/Pilz.IO/Extensions.cs
index 63eeea6..b3f0622 100644
--- a/Pilz.IO/Extensions.cs
+++ b/Pilz.IO/Extensions.cs
@@ -1,4 +1,5 @@
 using Pilz.Runtime;
+using Pilz.Win32.Native;
 using System;
 using System.Diagnostics;
 using System.Text;