@@ -115,11 +115,11 @@
 	bool _canBlock;
 #ifdef OF_WII
 	bool _canSendToBroadcastAddresses;
 #endif
 	id <OFDatagramSocketDelegate> _Nullable _delegate;
-	OF_RESERVE_IVARS(4)
+	OF_RESERVE_IVARS(OFDatagramSocket, 4)
 }
 
 /*!
  * @brief Whether the socket can block.
  *