diff --git a/.github/workflows/ci-build-site.yml b/.github/workflows/ci-build-site.yml
index bc926cdf..01a6519e 100644
--- a/.github/workflows/ci-build-site.yml
+++ b/.github/workflows/ci-build-site.yml
@@ -58,7 +58,7 @@ jobs:
         id: get-comparison-commit
         run: |
           if [[ "${{ github.event_name }}" == "pull_request" ]]; then
-            echo "compare_sha=$(git merge-base ${{ github.event.pull_request.base.sha }} ${{ github.event.pull_request.head.sha }})" >> $GITHUB_OUTPUT
+            echo "compare_sha=$(git rev-parse ${{ github.event.pull_request.base.sha }})" >> $GITHUB_OUTPUT
           else
             echo "compare_sha=$(git rev-parse HEAD^1)" >> $GITHUB_OUTPUT
           fi
@@ -281,4 +281,4 @@ jobs:
           comment-id: ${{ steps.find-comment.outputs.comment-id }}
           issue-number: ${{ github.event.pull_request.number }}
           body: ${{ steps.get-comment-body.outputs.body }}${{ steps.get-comment-body-no-changes.outputs.body }}
-          edit-mode: replace
\ No newline at end of file
+          edit-mode: replace
diff --git a/hugo/.size-limit.js b/hugo/.size-limit.js
index d27e86aa..4998708a 100644
--- a/hugo/.size-limit.js
+++ b/hugo/.size-limit.js
@@ -1,7 +1,7 @@
 module.exports = [
   {
     path: 'static/build/app.js',
-    limit: '17 KB',
+    limit: '20 KB',
   },
   {
     path: 'static/build/manifest.js',