diff --git a/.github/workflows/lint-migrations.yml b/.github/workflows/lint-migrations.yml
index 3105ff9ed..00350abcd 100644
--- a/.github/workflows/lint-migrations.yml
+++ b/.github/workflows/lint-migrations.yml
@@ -16,7 +16,8 @@ jobs:
         run: |
           modified_migrations=$(git diff --diff-filter=d --name-only main 'packages/db/migrations/*.do.*.sql')
           echo "$modified_migrations"
-          echo "{FILE_NAMES}={$modified_migrations}" >> $GITHUB_OUTPUT
+          echo "file_names=$modified_migrations" >> $GITHUB_OUTPUT
+        id: modified-migrations
       - uses: sbdchd/squawk-action@v1
         with:
-          pattern: "$FILE_NAMES"
+          pattern: ${{ steps.modified-migrations.outputs.file_names }}