diff --git a/.github/workflows/php-hook-documentation.yml b/.github/workflows/php-hook-documentation.yml
index ccb7eb6b90..68ee21c085 100644
--- a/.github/workflows/php-hook-documentation.yml
+++ b/.github/workflows/php-hook-documentation.yml
@@ -38,7 +38,7 @@ jobs:
         uses: woocommerce/grow/hook-documentation@actions-v1
         with:
           debug-output: yes
-          source-directories: ./
+          source-directories: /
 
       - name: Commit hook documentation
         shell: bash