diff --git a/README.md b/README.md
index f31135c2..a8ddf903 100644
--- a/README.md
+++ b/README.md
@@ -11,11 +11,11 @@ Due to security, when installed this way the Magento standard for phpcs cannot b
 You can achieve this by adding the following to your project's `composer.json`:
 ````
 "scripts": {
-    "post-install-cmd": [
-      "([ $COMPOSER_DEV_MODE -eq 0 ] || vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/)"
+"post-install-cmd": [
+      "( [ -f vendor/bin/phpcs ] && [ -L vendor/bin/phpcs ] && vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/) || true"
     ],
     "post-update-cmd": [
-      "([ $COMPOSER_DEV_MODE -eq 0 ] || vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/)"
+      "( [ -f vendor/bin/phpcs ] && [ -L vendor/bin/phpcs ] && vendor/bin/phpcs --config-set installed_paths ../../magento/magento-coding-standard/) || true"
     ]
 }
 ````