diff --git a/.github/workflows/check_checksums.yml b/.github/workflows/check_checksums.yml
index ca264a50eb..1579c7e53a 100644
--- a/.github/workflows/check_checksums.yml
+++ b/.github/workflows/check_checksums.yml
@@ -30,8 +30,10 @@ jobs:
           body="${body//'%'/'%25'}"
           body="${body//$'\n'/'%0A'}"
           body="${body//$'\r'/'%0D'}"
-          echo "body=$body" >> $GITHUB_OUTPUT
+          echo "body=$body" >> "$GITHUB_OUTPUT"
 
       - uses: peter-evans/commit-comment@v2
+        env:
+          body: ${{ steps.comment_body.outputs.body }}
         with:
           body: ${{ steps.comment_body.outputs.body }}