@@ -31,10 +31,11 @@
 {
 	OFURL *_URL;
 	OFFileAttributes _attributes;
 	OFFileAttributeKey _failedAttribute;
 	int _errNo;
+	OF_RESERVE_IVARS(OFSetItemAttributesFailedException, 4)
 }
 
 /**
  * @brief The URL of the item whose attributes could not be set.
  */