diff --git a/manifest.json b/manifest.json
index 6a77c21..a82faf3 100644
--- a/manifest.json
+++ b/manifest.json
@@ -46,6 +46,16 @@
                 "type": "boolean",
                 "default": true
             },
+            {
+                "name": "language",
+                "type": "string",
+                "ask": {
+                    "en": "Choose the application language",
+                    "fr": "Choisissez la langue de l'application"
+                },
+                "choices": ["de", "en", "es", "fr", "it", "pt"],
+                "default": "fr"
+            },
             {
                 "name": "password",
                 "type": "password"
diff --git a/scripts/install b/scripts/install
index 7eda106..859b3ac 100755
--- a/scripts/install
+++ b/scripts/install
@@ -28,6 +28,8 @@ domain=$YNH_APP_ARG_DOMAIN
 path_url=$YNH_APP_ARG_PATH
 is_public=$YNH_APP_ARG_IS_PUBLIC
 password=$YNH_APP_ARG_PASSWORD
+language=$YNH_APP_ARG_LANGUAGE
+timezone="$(date +%:::z)"
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -50,6 +52,7 @@ ynh_script_progression --message="Storing installation settings..." --weight=1
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
 ynh_app_setting_set --app=$app --key=password --value="$password"
+ynh_app_setting_set --app=$app --key=language --value=$language
 
 #=================================================
 # INSTALL DEPENDENCIES