diff --git a/install_backuppc_mac.sh b/install_backuppc_mac.sh
index 800ac25..42749ee 100755
--- a/install_backuppc_mac.sh
+++ b/install_backuppc_mac.sh
@@ -31,7 +31,7 @@ function AllowUserToConnectToThisMachineUsingSsh()
 ## EnsurePingIsAllowed {{{
 function EnsurePingIsAllowed()
 {
-	sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setstealthmode off
+	sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setstealthmode off &> /dev/null
 [[ "${DEBUG}" == "0" ]] && 	printf '\e[1;33m%-6s\e[m\n' "DEBUG : Désactivation du mode furtif (ping)."
 	if [ $? != 0 ]; then
 		printf '\e[1;31m%-6s\e[m\n' "ERREUR : La désactivation du mode furtif a échoué"