diff --git a/.github/workflows/backport.yml b/.github/workflows/backport.yml
index cda5206f5..af553113d 100644
--- a/.github/workflows/backport.yml
+++ b/.github/workflows/backport.yml
@@ -37,6 +37,8 @@ jobs:
           startsWith(github.event.comment.body, '/backport')
         )
     steps:
-        -   uses: actions/checkout@v4
-        -   name: Create backport pull requests
-            uses: korthout/backport-action@v3
+        - uses: actions/checkout@v4
+        - name: Create backport pull requests
+          uses: korthout/backport-action@v3
+          with:
+            label_pattern: '^port/(.+)$'