diff --git a/README.rst b/README.rst
index a1a0d8f..237812c 100644
--- a/README.rst
+++ b/README.rst
@@ -98,6 +98,7 @@
         master:
           host: jenkins.example.com
           port: 80
+          protocol: http
         user:
           name: jenkins_slave
           password: dexiech6AepohthaiHook2iesh7ol5ook4Ov3leid3yek6daid2ooNg3Ee2oKeYo
diff --git a/jenkins/files/jenkins_jobs.ini b/jenkins/files/jenkins_jobs.ini
index d71f07d..577badb 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.get('allow_empty_variables', False) %}
+allow_empty_variables=true
+{%- endif %}
 
 [jenkins]
 user={{ pillar.jenkins.job_builder.master.user }}