diff --git a/scripts/chroot.sh b/scripts/chroot.sh
index 7bc961e916de3911f690f5bff992a5f62eb232e9..b9c6641687087ade14f38e95f051ed4e31208a03 100755
--- a/scripts/chroot.sh
+++ b/scripts/chroot.sh
@@ -199,7 +199,9 @@ chroot_umount () {
 
 chroot_umount_failure () {
 	chroot_umount
-	exit 1
+	if [ ! -f ${DIR}/jenkins.build ] ; then
+		exit 1
+	fi
 }
 
 trap chroot_umount_failure EXIT