diff --git a/.ci/jenkins/project/Jenkinsfile.setup-branch b/.ci/jenkins/project/Jenkinsfile.setup-branch
index c3486e649c..9ae9a25936 100644
--- a/.ci/jenkins/project/Jenkinsfile.setup-branch
+++ b/.ci/jenkins/project/Jenkinsfile.setup-branch
@@ -80,7 +80,7 @@ pipeline {
         // Launch the nightly to deploy all artifacts from the branch
         stage('Launch the nightly') {
             when {
-                return params.DEPLOY_ARTIFACTS
+                expression { return params.DEPLOY_ARTIFACTS }
             }
             steps {
                 script {