diff --git a/kea_testing.groovy b/kea_testing.groovy
index 8356205..34e9d41 100644
--- a/kea_testing.groovy
+++ b/kea_testing.groovy
@@ -23,7 +23,7 @@ pipeline {
     stage('Checkout the source code') {
       steps {
         checkout scm
-        stash exclude: "CEPTD,MLTD,OD,elk_base.tar.gz" name: 'kea-api'
+        stash excludes: "CEPTD,MLTD,OD,elk_base.tar.gz", name: 'kea-api'
       }
     }