diff --git a/src/OpenTK/Platform/MacOS/Cocoa/NSAutoreleasePool.cs b/src/OpenTK/Platform/MacOS/Cocoa/NSAutoreleasePool.cs
index 074e65a8..e6ba6c42 100644
--- a/src/OpenTK/Platform/MacOS/Cocoa/NSAutoreleasePool.cs
+++ b/src/OpenTK/Platform/MacOS/Cocoa/NSAutoreleasePool.cs
@@ -16,8 +16,8 @@ namespace OpenTK.Platform.MacOS
         /// </summary>
         public NSAutoreleasePool()
         {
-            _autoreleasePool = Cocoa.SendIntPtr(Class.NSAutoreleasePool, Selector.Alloc);
-            _autoreleasePool = Cocoa.SendIntPtr(_autoreleasePool, Selector.Init);
+            var uninitializedPool = Cocoa.SendIntPtr(Class.NSAutoreleasePool, Selector.Alloc);
+            _autoreleasePool = Cocoa.SendIntPtr(uninitializedPool, Selector.Init);
         }
 
         /// <summary>