diff --git a/ci/jenkins/Jenkinsfile b/ci/jenkins/Jenkinsfile
index 15663183ab..7c2d83ba59 100644
--- a/ci/jenkins/Jenkinsfile
+++ b/ci/jenkins/Jenkinsfile
@@ -6,8 +6,8 @@ pipeline {
     agent none
 
     triggers {
-        cron("${cron_timezone}
-            ${cron_string}")
+        cron('''"${cron_timezone}"
+            "${cron_string}"''')
     }
 
     options {