@@ -28,10 +28,11 @@
  */
 @interface OFDNSQueryFailedException: OFException
 {
 	OFDNSQuery *_query;
 	OFDNSResolverErrorCode _errorCode;
+	OF_RESERVE_IVARS(OFDNSQueryFailedException, 4)
 }
 
 /**
  * @brief The query which could not be performed.
  */