@@ -61,9 +61,9 @@
  * @param selector The selector which is not or not fully implemented
  * @param object The object which does not (fully) implement the selector
  * @return An initialized not implemented exception
  */
 - initWithSelector: (SEL)selector
-	    object: (id)object;
+	    object: (id)object OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END