diff --git a/modules/jenkins_jobs/files/modules/builders.py b/modules/jenkins_jobs/files/modules/builders.py
index 638f55ce6d..db47a3137c 100644
--- a/modules/jenkins_jobs/files/modules/builders.py
+++ b/modules/jenkins_jobs/files/modules/builders.py
@@ -68,7 +68,7 @@ class builders(object):
 
     def _tarball_nomilestone(self, xml_parent):
         self._add_script(xml_parent,
-          'export NOMILESTONE=1\n/usr/local/jenkins/slave_scripts/create-tarball.sh %s' % self.data['main']['project'])
+          'export NOMILESTONE="true"\n/usr/local/jenkins/slave_scripts/create-tarball.sh %s' % self.data['main']['project'])
 
     def _ppa(self, xml_parent):
         self._add_script(xml_parent, 'rm -rf build dist.zip\n\