diff --git a/Jenkinsfile b/Jenkinsfile
index 02fe649..b416518 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -334,6 +334,13 @@ stage('SonarQube Quality Gate') {
 
             steps {
                 sh '''
+                    set -a
+                    . /opt/furious-ducks/secrets/tiptop-mail.env
+                    set +a
+
+                    test -n "${TURNSTILE_SITE_KEY}"
+                    echo "Turnstile site key chargée (longueur: ${#TURNSTILE_SITE_KEY})"
+
                     docker build \
                       -t "${BACKEND_IMAGE}:${IMAGE_TAG}" \
                       backend