@@ -108,9 +108,9 @@
  * @return An initialized connection failed exception
  */
 - initWithHost: (OFString *)host
 	  port: (uint16_t)port
 	socket: (id)socket
-	 errNo: (int)errNo;
+	 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END