@@ -62,9 +62,9 @@
  * @param stream The stream for which the option could not be gotten
  * @param errNo The errno of the error that occurred
  * @return An initialized get option failed exception
  */
 - initWithStream: (OFStream *)stream
-	   errNo: (int)errNo;
+	   errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END