diff --git a/Jenkinsfile b/Jenkinsfile
index 682202f..8174070 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -123,7 +123,7 @@ pipeline {
         stage('Backend') {
           steps {
             dir(path: 'src/backend') {
-              sh 'APP_SECRET=`php8.0 -r "echo md5(\\"branch=${BRANCH_NAME};\\");"` && sed -i "s/APP_SECRET=.*/APP_SECRET=${APP_SECRET}/g" .env'
+              sh '''APP_SECRET=`php8.0 -r "echo md5(\\"branch=${BRANCH_NAME};\\");"` && sed -i 's/APP_SECRET=.*/APP_SECRET=${APP_SECRET}/g' .env'''
               sh '''sed -i 's/DATABASE_URL=.*/DATABASE_URL=${DatabaseUrl}/g' .env.dev'''
               sh 'php8.0 /usr/local/bin/composer dump-env dev'
             }