diff --git a/examples/noneflow.yml b/examples/noneflow.yml
index 9e8088c3..2a4a0241 100644
--- a/examples/noneflow.yml
+++ b/examples/noneflow.yml
@@ -12,7 +12,7 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.issue.number && format('publish/issue{0}', github.event.issue.number) || github.head_ref || github.run_id }}
-  cancel-in-progress: ${{ contains(github.head_ref, 'publish/issue')}}
+  cancel-in-progress: ${{ startsWith(github.head_ref, 'publish/issue')}}
 
 jobs:
   noneflow: