diff --git a/sample-scripts/RHEL-9-LEMP.sh b/sample-scripts/RHEL-9-LEMP.sh
index 4600f81..e7006a8 100644
--- a/sample-scripts/RHEL-9-LEMP.sh
+++ b/sample-scripts/RHEL-9-LEMP.sh
@@ -54,5 +54,5 @@ unpriv curl -LsS https://raw.githubusercontent.com/TommyTran732/NGINX-Configs/ma
 # Fix PHP permission
 sudo sed -i 's/user = apache/user = nginx/g' /etc/php-fpm.d/www.conf
 sudo sed -i 's/group = apache/group = nginx/g' /etc/php-fpm.d/www.conf
-chgrp nginx /var/lib/php/opcache /var/lib/php/session /var/lib/php/wsdlcache
+sudo chgrp nginx /var/lib/php/opcache /var/lib/php/session /var/lib/php/wsdlcache
 sudo systemctl restart php-fpm
\ No newline at end of file