diff --git a/.github/workflows/build-images-from-branch.yml b/.github/workflows/build-images-from-branch.yml
index e571766f9a..23c0f11052 100644
--- a/.github/workflows/build-images-from-branch.yml
+++ b/.github/workflows/build-images-from-branch.yml
@@ -43,7 +43,7 @@ jobs:
           if [ "${{ github.event_name }}" == 'push' ]; then
             BRANCH=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}
           elif [ "${{ github.event_name }}" == 'pull_request' ]; then
-            BRANCH=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}
+            BRANCH=${{ github.event.pull_request.head.ref }}
           else
             BRANCH=${{ inputs.branch_name }}
           fi