@@ -24,10 +24,11 @@
  * @brief An exception indicating that the hash has not been calculated yet.
  */
 @interface OFHashNotCalculatedException: OFException
 {
 	id _object;
+	OF_RESERVE_IVARS(OFHashNotCalculatedException, 4)
 }
 
 /**
  * @brief The hash which has not been calculated yet.
  */