diff --git a/api/Jenkinsfile.ble_test b/api/Jenkinsfile.ble_test
index 5ae221e..469ee98 100644
--- a/api/Jenkinsfile.ble_test
+++ b/api/Jenkinsfile.ble_test
@@ -85,7 +85,7 @@ pipeline {
             steps {
                 sshagent([env.SSH_CREDENTIALS_ID]) {
                     sh '''#!/usr/bin/env bash
-                        ssh -o StrictHostKeyChecking=no root@${params.host_ip} << EOF
+                        ssh -o StrictHostKeyChecking=no root@${params.host_ip} << 'EOF'
                             set -euo pipefail
                             # Loop while the screen session exists
                             while screen -list | grep -q "ble_test_${TEST_HASH}"; do
@@ -94,6 +94,7 @@ pipeline {
                                     echo "$line"
                                 done
                             done
+                            'EOF'
                     '''
 
                     //sh """