Workflow Integrity Check needs an additional check

SELECT     jiraissue.pkey, OS_WFENTRY.STATE, jiraissue.issuestatus
FROM         jiraissue INNER JOIN
                      OS_WFENTRY ON jiraissue.WORKFLOW_ID = OS_WFENTRY.ID
WHERE     (jiraissue.issuestatus IS NULL)
ORDER BY jiraissue.pkey;

update jiraissue
set    issuestatus = ( select state 
                       from   os_wfentry
                       where  id = workflow_id )
where  issuestatus is null;