diff --git a/.github/workflows/repo_check.yml b/.github/workflows/repo_check.yml
index 4adcb8e09b678..48719c6978756 100644
--- a/.github/workflows/repo_check.yml
+++ b/.github/workflows/repo_check.yml
@@ -31,8 +31,28 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - uses: james-callahan/gha-prevent-big-files@5bff33da9b9970f671495034b0f7255619b1b8e0
-        with:
-          # 1 MB in bytes. 1 MB ought to be enough for anybody.
+      - name: Check sizes of new Git objects
+        env:
+          # 1 MB ought to be enough for anybody.
           # TODO in case we may want to consciously commit a bigger file to the repo we may disable the check e.g. with a label
-          max-size: 1048576
+          MAX_FILE_SIZE_BYTES: 1048576
+        shell: bash
+        run: |
+          git rev-list --objects ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }} \
+            > new-pr-objects.txt
+          exit_code=0
+          while read -r id path; do
+              size="$(git cat-file -s "${id}")"
+              if [ ${size} > ${MAX_FILE_SIZE_BYTES} ]; then
+                exit_code=1
+                echo "Object ${id} [${path}] has size ${size}, exceeding ${MAX_FILE_SIZE_BYTES} limit." >&2
+                echo "::error::File ${path} has size ${size}, exceeding ${MAX_FILE_SIZE_BYTES} limit."
+                echo "::error file=${path}::This file has size ${size}, exceeding ${MAX_FILE_SIZE_BYTES} limit."
+              fi
+          done < new-pr-objects.txt
+          exit "${exit_code}"
+#      - uses: james-callahan/gha-prevent-big-files@5bff33da9b9970f671495034b0f7255619b1b8e0
+#        with:
+#          # 1 MB in bytes. 1 MB ought to be enough for anybody.
+#          # TODO in case we may want to consciously commit a bigger file to the repo we may disable the check e.g. with a label
+#          max-size: 1048576