diff --git a/.github/workflows/docker-ci.yaml b/.github/workflows/docker-ci.yaml
index bcd75d086c..09b796957d 100644
--- a/.github/workflows/docker-ci.yaml
+++ b/.github/workflows/docker-ci.yaml
@@ -39,8 +39,8 @@ jobs:
         working-directory: docker
         run: |
           IMAGE_TAG=test-image-${{ matrix.python-version }}
-          REPO_URL=$(echo ${{ steps.branch-name.outputs.GITHUB_BRANCH }} | sed 's/^git:\/\//https:\/\//')
-          ./build_image.sh -py "${{ matrix.python-version }}" -t "${IMAGE_TAG}" -b "${REPO_URL}" -repo ${{ github.repositoryUrl }} -s
+          REPO_URL=${{ github.event.pull_request.head.repo.clone_url }}
+          ./build_image.sh -py "${{ matrix.python-version }}" -t "${IMAGE_TAG}" -b "${{ steps.branch-name.outputs.GITHUB_BRANCH }}" -repo ${REPO_URL} -s
           echo "IMAGE_TAG=${IMAGE_TAG}" >> $GITHUB_OUTPUT
 
       - name: Container Healthcheck