diff --git a/Jenkinsfile b/Jenkinsfile
index 4a78d9e..6d92c0c 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -12,7 +12,7 @@ pipeline {
     stages {
         stage('Build') {
             steps {
-                echo $ENV_NAME
+                echo "${ENV_NAME}"
                 // sh 'pwd'
                 // sh 'ls'
                 // sh 'npm install'