diff --git a/Jenkinsfile b/Jenkinsfile
index 01d1974..9d6587d 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -5,7 +5,7 @@ pipeline {
     stage('Init') {
       steps {
         sh 'rbenv local 3.2.2'
-        sh 'echo "ENV[\"APP_SESSION_SECRET"] = \"$(openssl rand -base64 64)\"" > .env.rb'
+        sh `echo 'ENV["APP_SESSION_SECRET"] = "$(openssl rand -base64 64)"' > .env.rb`
         sh 'echo "ENV[\"DB_NAME\"] ||= \"url_shortener.db\"" >> .env.rb'
         sh 'cat .env.rb'
       }