diff --git a/Jenkinsfile b/Jenkinsfile
index 37569bc..e1ec39d 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -2,8 +2,8 @@ pipeline {
     agent { docker { image 'node:13.10-alpine' } }
     stages {
         stage('setup') {
-            sh npm install
-            sh export PATH=$PATH:node_modules/.bin
+            sh 'npm install'
+            sh 'export PATH=$PATH:node_modules/.bin'
         }
         stage('build') {
             steps {