diff --git a/Jenkinsfile b/Jenkinsfile
index 86cf385..cebde6d 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -141,9 +141,10 @@ node('test')
       def jobName = JOB_NAME
       def job = Jenkins.instance.getItem(jobName)
       //logger.printInfo('job is getting deleted ' + currentBuild.id.toString())//job.nextBuildNumber)
+      //job.nextBuildNumber -= 1 //updateNextBuildNumber(job.getNextBuildNumber() - 1)      //resetting next build number does not work. if done, the next build start will do nothing
+      //job.saveNextBuildNumber()
       job.getLastBuild().delete()
-      job.nextBuildNumber -= 1 //updateNextBuildNumber(job.getNextBuildNumber() - 1)      //resetting next build number does not work. if done, the next build start will do nothing
-      job.saveNextBuildNumber()
+      item.updateNextBuildNumber(job.nextBuildNumber - 1)
       job.save()
    }