diff --git a/Jenkinsfile b/Jenkinsfile
index 5abeb85..d7059da 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -5,6 +5,7 @@ pipeline {
     stages {
         stage('unit test') {
             steps {
+                sh 'echo $BUILD_TAG'
                 sh 'tox -r -- --junitxml=test_results.xml --cov-report xml --cov-report html --cov=bidon/ tests/'
             }
         }