@@ -31,10 +31,11 @@
 @interface OFHTTPResponse: OFStream
 {
 	of_http_request_protocol_version_t _protocolVersion;
 	short _statusCode;
 	OFDictionary OF_GENERIC(OFString *, OFString *) *_headers;
+	OF_RESERVE_IVARS(4)
 }
 
 /*!
  * @brief The protocol version of the HTTP request reply.
  */