diff --git a/Jenkinsfile b/Jenkinsfile
index 3403fdbfbe398783f0794e335a924197109aab92..d61fd318e33a9516dac75bcd21099ea56ab38d21 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,3 +1,5 @@
+#!/usr/bin/env groovy
+
 node('master') {
     checkout scm