diff --git a/openvpn-install.sh b/openvpn-install.sh
index 403e0fd..ecdae07 100644
--- a/openvpn-install.sh
+++ b/openvpn-install.sh
@@ -26,7 +26,7 @@ if [[ -e /etc/debian_version ]]; then
 	OS=debian
 	GROUPNAME=nogroup
 	RCLOCAL='/etc/rc.local'
-elif [[ -e /etc/centos-release || -e /etc/redhat-release ]]; then
+elif [[ -e /etc/centos-release || -e /etc/redhat-release || -e /etc/os-release ]]; then
 	OS=centos
 	GROUPNAME=nobody
 	RCLOCAL='/etc/rc.d/rc.local'