diff --git a/Source/Examples/OpenTK/Test/GameWindowStates.cs b/Source/Examples/OpenTK/Test/GameWindowStates.cs
index 4fd419b7..144940de 100644
--- a/Source/Examples/OpenTK/Test/GameWindowStates.cs
+++ b/Source/Examples/OpenTK/Test/GameWindowStates.cs
@@ -113,7 +113,7 @@ namespace Examples.Tests
             keyboard = OpenTK.Input.Keyboard.GetState();
             if (keyboard != keyboard_old)
                 refresh_text = true;
-            keyboard = keyboard_old;
+            keyboard_old = keyboard;
 
             if (refresh_text)
             {