diff --git a/.github/workflows/phpcs_on_pull_request.yml b/.github/workflows/phpcs_on_pull_request.yml
index 2b144a0..f040bd4 100644
--- a/.github/workflows/phpcs_on_pull_request.yml
+++ b/.github/workflows/phpcs_on_pull_request.yml
@@ -21,4 +21,5 @@ jobs:
       env:
         SKIP_FOLDERS: "tests,.github,vendor"
         PHPCS_PHP_VERSION: "7.4"
+        PHPCS_STANDARD_FILE_NAME: "phpcs.wpcs.xml"
         GH_BOT_TOKEN: ${{ secrets.RTBOT_TOKEN }}