@@ -139,10 +139,11 @@
 	OFMutableData *_queueActions;
 	OFMutableArray *_queueObjects;
 #ifdef OF_AMIGAOS
 	ULONG _execSignalMask;
 #endif
+	OF_RESERVE_IVARS(4)
 }
 
 /*!
  * @brief The delegate for the OFKernelEventObserver.
  */