diff --git a/.github/workflows/ci-pr-riscv64-linux.yaml b/.github/workflows/ci-pr-riscv64-linux.yaml
index 77c69e31c8870780be65e26ad83c6e7b03b101b9..a1a4eac21852766b3a3e0f65f24ffaae2df60de1 100644
--- a/.github/workflows/ci-pr-riscv64-linux.yaml
+++ b/.github/workflows/ci-pr-riscv64-linux.yaml
@@ -8,7 +8,7 @@ on:
       - synchronize
 concurrency:
   # Cancels pending runs when a PR gets updated.
-  group: ${{ github.head_ref || github.run_id }}-${{ github.actor }}
+  group: riscv64-linux-${{ github.head_ref || github.run_id }}-${{ github.actor }}
   cancel-in-progress: true
 permissions:
   # Sets permission policy for `GITHUB_TOKEN`