@@ -24,12 +24,12 @@
  * @class OFBlock OFBlock.h ObjFW/OFBlock.h
  *
  * @brief The class for all blocks, since all blocks are also objects.
  */
 @interface OFBlock: OFObject
-+ alloc OF_UNAVAILABLE;
-- init OF_UNAVAILABLE;
++ (instancetype)alloc OF_UNAVAILABLE;
+- (instancetype)init OF_UNAVAILABLE;
 @end
 
 @interface OFStackBlock: OFBlock
 @end