diff --git a/Jenkinsfile b/Jenkinsfile
index 170100f..902fb9f 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -69,8 +69,8 @@ spec:
     disableConcurrentBuilds()
   }
   triggers {
-    // Webhook-friendly; Jenkins' /git/notifyCommit can trigger this without polling.
-    scm('')
+    // Webhook-friendly; notifyCommit works when pollSCM is defined (even empty string).
+    pollSCM('')
   }
   stages {
     stage('Checkout') {