diff --git a/Jenkinsfile b/Jenkinsfile
index bfbe122..ebe44b2 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -15,6 +15,7 @@ node('packer') {
 
   stage 'Validate'
 
-    sh '/usr/local/bin/packer validate shibboleth-appliance-vbox.json'
+    sh 'ls'
+    sh '/usr/local/bin/packer validate ./shibboleth-appliance-vbox.json'
 
 }