diff --git a/.github/workflows/testCoreBundling.yml b/.github/workflows/testCoreBundling.yml
index ce9bd50aa..a83818579 100644
--- a/.github/workflows/testCoreBundling.yml
+++ b/.github/workflows/testCoreBundling.yml
@@ -35,4 +35,4 @@ jobs:
     with:
       externalProjectGit: ${{ matrix.externalProjectGit }}
       os: ${{ matrix.os }}
-      bundledBranch: ${{ github.ref_name || inputs.branch }}
+      bundledBranch: ${{ github.sha || inputs.branch }}