diff --git a/dlls/winemac.drv/macdrv_cocoa.h b/dlls/winemac.drv/macdrv_cocoa.h
index 564910c2c75..1550280d664 100644
--- a/dlls/winemac.drv/macdrv_cocoa.h
+++ b/dlls/winemac.drv/macdrv_cocoa.h
@@ -89,7 +89,7 @@
 
 
 #ifndef DECLSPEC_HIDDEN
-# if defined(__MSC_VER) || defined(__MINGW32__) || defined(__CYGWIN__)
+# if defined(_MSC_VER) || defined(__MINGW32__) || defined(__CYGWIN__)
 #  define DECLSPEC_HIDDEN
 # elif defined(__GNUC__) && ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)))
 #  define DECLSPEC_HIDDEN __attribute__((visibility ("hidden")))