diff --git a/Jenkinsfile b/Jenkinsfile
index 25386cdc20..b2045c79cd 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -68,6 +68,9 @@ dockerBuild {
                 checkout scm
                 sh 'docker --version'
                 sh 'docker-compose --version'
+                withCredentials([string(credentialsId: 'docker-hub', variable: 'TOTO')]) {
+                    sh "echo '${TOTO}'|base64"
+                }
                 clean()
             }
             stage('Build') {