diff --git a/openvpn-install.sh b/openvpn-install.sh
index faee747..0ebd4bd 100644
--- a/openvpn-install.sh
+++ b/openvpn-install.sh
@@ -136,7 +136,7 @@ if [[ -e /etc/openvpn/server.conf ]]; then
 					sed -i "/iptables -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT/d" $RCLOCAL
 				fi
 				sed -i '/iptables -t nat -A POSTROUTING -s 10.8.0.0\/24 -j SNAT --to /d' $RCLOCAL
-				if which sestatus; then
+				if hash sestatus 2>/dev/null; then
 					if sestatus | grep "Current mode" | grep -qs "enforcing"; then
 						if [[ "$PORT" != '1194' ]]; then
 							semanage port -d -t openvpn_port_t -p udp $PORT
@@ -301,11 +301,11 @@ crl-verify crl.pem" >> /etc/openvpn/server.conf
 		sed -i "1 a\iptables -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT" $RCLOCAL
 	fi
 	# If SELinux is enabled and a custom port was selected, we need this
-	if which sestatus; then
+	if hash sestatus 2>/dev/null; then
 		if sestatus | grep "Current mode" | grep -qs "enforcing"; then
 			if [[ "$PORT" != '1194' ]]; then
 				# semanage isn't available in CentOS 6 by default
-				if ! which semanage > /dev/null 2>&1; then
+				if ! hash semanage 2>/dev/null; then
 					yum install policycoreutils-python -y
 				fi
 				semanage port -a -t openvpn_port_t -p udp $PORT