diff --git a/libcxx/include/__config b/libcxx/include/__config
index 586607505f2b..fb3efa0eb08c 100644
--- a/libcxx/include/__config
+++ b/libcxx/include/__config
@@ -716,7 +716,7 @@ template <unsigned> struct __static_assert_check {};
     _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \
     };
 #else  // _LIBCPP_HAS_NO_STRONG_ENUMS
-#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_TYPE_VIS x
+#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_TYPE_VIS_ONLY x
 #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
 #endif  // _LIBCPP_HAS_NO_STRONG_ENUMS