diff --git a/Source/OpenTK/Audio/OpenAL/AL/AL.cs b/Source/OpenTK/Audio/OpenAL/AL/AL.cs
index 4e763d91..a978f01f 100644
--- a/Source/OpenTK/Audio/OpenAL/AL/AL.cs
+++ b/Source/OpenTK/Audio/OpenAL/AL/AL.cs
@@ -70,7 +70,7 @@ namespace OpenTK.Audio.OpenAL
 
         #region Constants
 
-        public const string Lib = "openal32.dll";
+        internal const string Lib = "openal32.dll";
         private const CallingConvention Style = CallingConvention.Cdecl;
 
         #endregion Constants