diff --git a/vim/syntax/objc.vim b/vim/syntax/objc.vim
index 97ba947..cbc9155 100644
--- a/vim/syntax/objc.vim
+++ b/vim/syntax/objc.vim
@@ -37,7 +37,7 @@ syn keyword objcTypeModifier	OF_KINDOF OF_CONST_FUNC OF_NO_RETURN
 syn keyword objcTypeModifier	OF_RETURNS_INNER_POINTER OF_NULLABLE_PROPERTY
 syn keyword objcTypeModifier	OF_NULL_RESETTABLE_PROPERTY OF_UNAVAILABLE
 syn keyword objcTypeModifier	OF_DESIGNATED_INITIALIZER OF_METHOD_FAMILY
-syn keyword objcTypeModifier	OF_REQUIRES_SUPER OF_ALIGNOF OF_ALIGNAS
+syn keyword objcTypeModifier	OF_REQUIRES_SUPER OF_ALIGN OF_ALIGNOF OF_ALIGNAS
 syn keyword objcTypeModifier	OF_SENTINEL OF_SUBCLASSING_RESTRICTED
 syn keyword objcTypeModifier	OF_DIRECT OF_DIRECT_MEMBERS
 syn keyword objcTypeModifier	_Nonnull _Nullable _Null_unspecified __kindof