diff --git a/Jenkinsfile b/Jenkinsfile
index 3c8af6c..8c89327 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -86,7 +86,7 @@ pipeline {
 stage('Deploy') {
   steps {
     sh '''
-bash <<EOF
+bash <<'EOF'
 set -euxo pipefail
 
 SSH_KEY="/var/lib/jenkins/.ssh/plesk_agency_deploy"