diff --git a/.github/workflows/size.yml b/.github/workflows/size.yml
index 1cded6fd0..f2fc16a38 100644
--- a/.github/workflows/size.yml
+++ b/.github/workflows/size.yml
@@ -21,7 +21,7 @@ jobs:
           separator: '\n'
       - name: Filter by size
         run: |
-          large_added_files=$(echo ${{ steps.changed-files.outputs.added_files }} | xargs -I % find % -maxdepth 0 -size +1M)
+          large_added_files=$(echo "${{ steps.changed-files.outputs.added_files }}" | xargs -I % find % -maxdepth 0 -size +1M)
           echo "Large added files: $large_added_files"
           if [ -n "$large_added_files" ]; then
             echo "# Large files added:" >> $GITHUB_STEP_SUMMARY