diff --git a/Jenkinsfile b/Jenkinsfile
index 3b65707..9357601 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -3,12 +3,12 @@ pipeline {
 
   triggers {
     GenericTrigger(
-      causeString: 'Triggered on tag push',
+      causeString: 'Triggered on tag push only',
       token: 'tag-trigger-secret',
       printContributedVariables: true,
       printPostContent: true,
-      regexpFilterExpression: 'ref=refs/tags/.*',
-      regexpFilterText: '$ref'
+      regexpFilterExpression: 'ref=refs/tags/.*\nafter=(?!0{40}).*',
+      regexpFilterText: '$ref\n$after'
     )
   }