diff --git a/Vagrantfile b/Vagrantfile
index 74c6b78..dc6d07e 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -42,13 +42,13 @@ Vagrant.configure("2") do |config|
     # Stop on first error
     set -e
 
-    # Upgrade Yunohost and the system packages (disabled)
-    sudo apt-get update
-    sudo apt-get upgrade --yes
-    sudo apt-get dist-upgrade --yes
-
-    # Finish Yunohost installation
     if ! [[ -f /etc/yunohost/installed ]]; then
+      # Upgrade Yunohost and the system packages (disabled)
+      sudo apt-get update
+      sudo apt-get upgrade --yes
+      sudo apt-get dist-upgrade --yes
+
+      # Finish Yunohost installation
       sudo yunohost tools postinstall --domain ${DOMAIN} --password ${YUNOHOST_ADMIN_PASSWORD} --ignore-dyndns
     fi
 
diff --git a/test.sh b/test.sh
index b4d94a7..4a60fbe 100755
--- a/test.sh
+++ b/test.sh
@@ -104,7 +104,7 @@ function setup() {
 
   if (vagrant snapshot list | grep 'yunohost-jessie-pristine' > /dev/null); then
     echo "--- Restoring Vagrant snapshot ---"
-    vagrant snapshot restore --no-provision yunohost-jessie-pristine
+    vagrant snapshot restore yunohost-jessie-pristine
   else
     echo "--- Provisioning Vagrant box ---"
     vagrant up --provision