diff --git a/NSspi/NativeMethods.cs b/NSspi/NativeMethods.cs
index 3853098..2c0d75d 100644
--- a/NSspi/NativeMethods.cs
+++ b/NSspi/NativeMethods.cs
@@ -9,7 +9,7 @@ using NSspi.Contexts;
 
 namespace NSspi
 {
-    internal class NativeMethods
+    internal static class NativeMethods
     {
         // http://msdn.microsoft.com/en-us/library/windows/desktop/aa374713(v=vs.85).aspx