diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 17676a843..eb9c9653d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@ on:
 concurrency:
   # Consider that two builds are in the same concurrency group (cannot run concurrently)
   # if they use the same workflow and are about the same branch ("ref") or pull request.
-  group: "workflow = ${{ github.workflow }}, ref = ${{ github.event.ref }}, pr = ${{ github.event.pull_request.id }}"
+  group: "workflow = ${{ github.workflow }}, ref = ${{ github.event.ref }}, pr = ${{ github.event.pull_request.id }}, branch=${{ input.branch }}"
   # Cancel previous builds in the same concurrency group even if they are in process
   # for pull requests or pushes to forks (not the upstream repository).
   cancel-in-progress: ${{ github.event_name == 'pull_request' || github.repository != 'hibernate/hibernate-reactive' }}