diff --git a/auto/src/wglew_head.h b/auto/src/wglew_head.h
index f56c4b8..f29a52c 100644
--- a/auto/src/wglew_head.h
+++ b/auto/src/wglew_head.h
@@ -8,7 +8,7 @@
 
 #define __wglext_h_
 
-#if !defined(APIENTRY)
+#if !defined(WINAPI)
 #  ifndef WIN32_LEAN_AND_MEAN
 #    define WIN32_LEAN_AND_MEAN 1
 #  endif