diff --git a/.github/workflows/backport.yml b/.github/workflows/backport.yml
index 24e881cdc..eefe2dd8e 100644
--- a/.github/workflows/backport.yml
+++ b/.github/workflows/backport.yml
@@ -17,4 +17,4 @@ jobs:
     uses: dotnet/arcade/.github/workflows/backport-base.yml@main
     with:
       repository_owners: 'pester'
-      pr_title_template: '%source_pr_title% by %cc_users% in %source_pr_number% (backport to %target_branch%)'
+      pr_title_template: '%source_pr_title% by %cc_users% in #%source_pr_number% (backport to %target_branch%)'