diff --git a/Jenkinsfile b/Jenkinsfile
index cf071e3..dd56a68 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -14,7 +14,7 @@ sftp_host = ''
 sftp_user = ''
 sftp_path = '/jenkins/owrt/'
 isBuildNeeded = false
-deleteUnbuild = true
+deleteUnbuild = false
 force_build = false
 pre_clean = true
 post_clean = false
@@ -49,9 +49,9 @@ if(params.KNOWN_HOSTS)
 {
 	known_hosts = params.KNOWN_HOSTS
 }
-if(params.DeleteUnbuild)
+if(params.DEL_UNBUILD)
 {
-	deleteUnbuild = params.DeleteUnbuild
+	deleteUnbuild = params.DEL_UNBUILD
 }
 if(params.PRE_CLEAN)
 {