diff --git a/secours/check-vpn-from-crans b/secours/check-vpn-from-crans
index c2703499..db3850ba 100755
--- a/secours/check-vpn-from-crans
+++ b/secours/check-vpn-from-crans
@@ -1,9 +1,9 @@
-#!/bin/sh
+#!/bin/bash
 
 VPN_NAME=ovh
 PID_FILE=/var/run/openvpn.${VPN_NAME}.pid
 
-if [ ! -f $PID_FILE -o ! -d /proc/$(< $PID_FILE) ] && ! fping -q ovh.adm.crans.org; then
+if [[ ! -f $PID_FILE || ! -d /proc/$(< $PID_FILE) ]] && ! fping -q ovh.adm.crans.org; then
     if fping -q ovh.crans.org; then
         if /etc/init.d/openvpn start ${VPN_NAME} > /dev/null; then
             echo 'Lancement du tunnel vers OVH reussi !'
diff --git a/secours/check-vpn-from-ovh b/secours/check-vpn-from-ovh
index 352c1795..b72b62af 100755
--- a/secours/check-vpn-from-ovh
+++ b/secours/check-vpn-from-ovh
@@ -1,9 +1,9 @@
-#!/bin/sh
+#!/bin/bash
 
 VPN_NAME=adm
 PID_FILE=/var/run/openvpn.${VPN_NAME}.pid
 
-if [ ! -f $PID_FILE -o ! -d /proc/$(< $PID_FILE) ]; then
+if [[ ! -f $PID_FILE || ! -d /proc/$(< $PID_FILE) ]]; then
     if fping -q komaz.crans.org; then
         ln -sf komaz.conf /etc/openvpn/${VPN_NAME}.conf
         if /etc/init.d/openvpn start ${VPN_NAME} > /dev/null; then