@@ -100,18 +100,16 @@
 # define OF_CONST_FUNC
 # define OF_NO_RETURN_FUNC
 # define OF_WEAK_REF(sym)
 #endif
 
-#ifdef __GNUC__
-# define OF_ALIGN(alignment) __attribute__((__aligned__(alignment)))
-#endif
-
 #if __STDC_VERSION__ >= 201112L
+# define OF_ALIGN(size) _Alignas(size)
 # define OF_ALIGNOF(type) _Alignof(type)
 # define OF_ALIGNAS(type) _Alignas(type)
 #else
+# define OF_ALIGN(size) __attribute__((__aligned__(size)))
 # define OF_ALIGNOF(type) __alignof__(type)
 # define OF_ALIGNAS(type) OF_ALIGN(OF_ALIGNOF(type))
 #endif
 
 #ifdef __BIGGEST_ALIGNMENT__