@@ -25,10 +25,11 @@
  */
 @interface OFInvalidJSONException: OFException
 {
 	OFString *_string;
 	size_t _line;
+	OF_RESERVE_IVARS(OFInvalidJSONException, 4)
 }
 
 /**
  * @brief The string containing the invalid JSON representation.
  */