diff --git a/Jenkinsfile b/Jenkinsfile
index 9d80e28..cc2f6aa 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,5 +1,5 @@
 def build_luad() {
-    sh '''
+    sh '''#!/bin/bash
     set -e
     export RUSTUP_HOME=/root/.rustup/
     export CARGO_HOME=/root/.cargo/