diff --git a/Jenkinsfile b/Jenkinsfile
index f51ed75..623892d 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -18,11 +18,11 @@ pipeline {
         }
         stage('sh: Shell Script') {
             steps {
-                withEnv(["KAGGLE_USERNAME=${params.username}",
-                 "KAGGLE_KEY=${params.key}" ]) {
-            sh 'echo KAGGLE_USERNAME: $KAGGLE_USERNAME'
-            sh 'chmod +x preparations.sh'
-            sh './preparations.sh'
+                withEnv(['KAGGLE_USERNAME=$params.username',
+                 'KAGGLE_KEY=$params.key' ]) {
+                    sh 'echo KAGGLE_USERNAME: $KAGGLE_USERNAME'
+                    sh 'chmod +x preparations.sh'
+                    sh './preparations.sh'
                 }
             }
         }