diff --git a/jenkins/files/jenkins_jobs.ini b/jenkins/files/jenkins_jobs.ini
index d71f07d..332d273 100644
--- a/jenkins/files/jenkins_jobs.ini
+++ b/jenkins/files/jenkins_jobs.ini
@@ -1,5 +1,8 @@
 [job_builder]
 recursive=True
+{%- if pillar.jenkins.job_builder.allow_empty_variables is defined and pillar.jenkins.job_builder.allow_empty_variables %}
+allow_empty_variables=true
+{%- endif %}
 
 [jenkins]
 user={{ pillar.jenkins.job_builder.master.user }}