diff --git a/.github/mergify.yml b/.github/mergify.yml
index bc3c219e..1035341d 100644
--- a/.github/mergify.yml
+++ b/.github/mergify.yml
@@ -2,7 +2,7 @@ pull_request_rules:
 
   - name: Backport to humble at reviewers discretion
     conditions:
-      - base=master
+      - base=ros2-master
       - "label=backport-humble"
     actions:
       backport: