diff --git a/manifest.json b/manifest.json
index 59bcb87..96decc5 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Free, open source voxel game engine and game. Need a client to connect to the server.",
         "fr": "Moteur de jeu de type « bac à sable » gratuit et open source. Nécessite un client pour se connecter au serveur."
     },
-    "version": "5.5.1~ynh1",
+    "version": "5.5.1~ynh2",
     "url": "http://www.minetest.net/",
     "upstream": {
         "license": "MIT",
diff --git a/scripts/upgrade b/scripts/upgrade
index 718d1f6..76046f7 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -89,6 +89,12 @@ if [ -z $datadir ]; then
 	ynh_app_setting_delete --app=$app --key=home_path
 fi
 
+# If game doesn't exist, create it
+if [ -z $game ]; then
+	game="minetest_game"
+	ynh_app_setting_set --app=$app --key=game --value=$game
+fi
+
 # Cleaning legacy permissions
 if ynh_legacy_permissions_exists; then
 	ynh_legacy_permissions_delete_all