diff --git a/openvpn-install.sh b/openvpn-install.sh
index c654647..f2f4250 100755
--- a/openvpn-install.sh
+++ b/openvpn-install.sh
@@ -1186,6 +1186,8 @@ function revokeClient() {
 	find /home/ -maxdepth 2 -name "$CLIENT.ovpn" -delete
 	rm -f "/root/$CLIENT.ovpn"
 	sed -i "/^$CLIENT,.*/d" /etc/openvpn/ipp.txt
+	cp /etc/openvpn/easy-rsa/pki/index.txt{,.bk}
+	sed -i -e '/^[R]/d' /etc/openvpn/easy-rsa/pki/index.txt
 
 	echo ""
 	echo "Certificate for client $CLIENT revoked."