diff --git a/.github/workflows/build_doc.yml b/.github/workflows/build_doc.yml
index 6c7d2c26f86..f0a34186ce4 100644
--- a/.github/workflows/build_doc.yml
+++ b/.github/workflows/build_doc.yml
@@ -11,7 +11,7 @@ env:
   DOXYREST_VER: '2.1.3'
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  group: ${{ github.workflow }}-${{ github.head_ref && github.ref || github.run_id }}
   cancel-in-progress: true
 
 jobs: