diff --git a/build-rcon.jenkins b/build-rcon.jenkins
index 6eb0a98..cd731ad 100644
--- a/build-rcon.jenkins
+++ b/build-rcon.jenkins
@@ -1,5 +1,6 @@
 #!groovy
 
+GroovyShell shell = new GroovyShell()
 def pt = shell.parse(new File('vars/podTemplates.groovy'))
 
 def label = pt.podLabel()