diff --git a/Jenkinsfile b/Jenkinsfile
index 5aef116..98dad20 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,35 +1,36 @@
 pipeline {
     agent { docker { image 'debian:stable-slim' }}
     options {
         skipDefaultCheckout()
     }
     stages {
         stage('check ws for emptiness') {
             steps {
                 sh 'find'
             }
         }
         stage('checkout with submodules') {
             steps {
                 checkout scm: [
                     $class: 'GitSCM',
+                    branches: scm.branches,
                     extensions: [[
 						$class: 'SubmoduleOption',
 						recursiveSubmodules: true,
 					]]
 				]
             }
         }
         stage('test submodule') {
             steps {
                 sh 'find'
             }
         }
         stage('clean workspace') {
             steps {
                 cleanWs()
             }
         }
     }
 }