diff --git a/demo_upgrade.sh b/demo_upgrade.sh
index 10c95a9..6bb946c 100755
--- a/demo_upgrade.sh
+++ b/demo_upgrade.sh
@@ -42,7 +42,7 @@ UPGRADE_DEMO_CONTAINER () {		# Démarrage, upgrade et snapshot
 	sudo sed -i "s@address $IP_MACHINE@address $IP_UPGRADE@" /var/lib/lxc/$MACHINE/rootfs/etc/network/interfaces
 
 	# Démarre le conteneur
-	date >> "$script_dir/demo_boot.log
+	date >> "$script_dir/demo_boot.log"
 	sudo lxc-start -n $MACHINE -o "$script_dir/demo_boot.log" -d > /dev/null
 	sleep 10