diff --git a/Jenkinsfile b/Jenkinsfile
index db516f555..17a1709c7 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,6 +1,6 @@
 pipeline {
     agent any
-    triggers { pollSCM(* * * * *)}
+    triggers { pollSCM('* * * * *')}
     stages {
         stage('VCS'){
             steps {