diff --git a/Source/OpenTK/Graphics/GraphicsContext.cs b/Source/OpenTK/Graphics/GraphicsContext.cs
index 01f6c8cb..ebd87945 100644
--- a/Source/OpenTK/Graphics/GraphicsContext.cs
+++ b/Source/OpenTK/Graphics/GraphicsContext.cs
@@ -425,7 +425,7 @@ namespace OpenTK.Graphics
         /// </summary>
         public GraphicsMode GraphicsMode
         {
-            get { return (implementation as IGraphicsContextInternal).GraphicsMode; }
+            get { return (implementation as IGraphicsContext).GraphicsMode; }
         }
 
         /// <summary>