diff --git a/auto/src/glewinfo_tail.c b/auto/src/glewinfo_tail.c
index 3b417ea..f778e71 100644
--- a/auto/src/glewinfo_tail.c
+++ b/auto/src/glewinfo_tail.c
@@ -170,7 +170,7 @@ GLboolean glewCreateContext (int* pixelformat)
 void glewDestroyContext ()
 {
   if (NULL != rc) wglMakeCurrent(NULL, NULL);
-  if (NULL != rc) wglDeleteContext(wglGetCurrentContext());
+  if (NULL != rc) wglDeleteContext(rc);
   if (NULL != wnd && NULL != dc) ReleaseDC(wnd, dc);
   if (NULL != wnd) DestroyWindow(wnd);
   UnregisterClass("GLEW", GetModuleHandle(NULL));
diff --git a/auto/src/wglew_head.h b/auto/src/wglew_head.h
index f29a52c..df88503 100644
--- a/auto/src/wglew_head.h
+++ b/auto/src/wglew_head.h
@@ -13,6 +13,7 @@
 #    define WIN32_LEAN_AND_MEAN 1
 #  endif
 #include <windows.h>
+#  undef WIN32_LEAN_AND_MEAN
 #endif
 
 /*