diff --git a/manifest.json b/manifest.json
index d8fbc3b..53a6312 100644
--- a/manifest.json
+++ b/manifest.json
@@ -45,7 +45,15 @@
 					"en": "Is it a public server ?"
 				},
 				"default": "0"
-			}
+			},
+			{
+				"name": "admin",
+				"type": "user",
+				"ask": {
+				    "en": "Choose an admin user"
+				},
+				"example": "simon"
+			},
 
 		]
 	}
diff --git a/scripts/install b/scripts/install
index 6f23e7f..921df1f 100755
--- a/scripts/install
+++ b/scripts/install
@@ -24,7 +24,6 @@ domain=$YNH_APP_ARG_DOMAIN
 path_url=$YNH_APP_ARG_PATH
 admin=$YNH_APP_ARG_ADMIN
 is_public=$YNH_APP_ARG_IS_PUBLIC
-language=$YNH_APP_ARG_LANGUAGE
 
 # This is a multi-instance app, meaning it can be installed several times independently
 # The id of the app as stated in the manifest is available as $YNH_APP_ID
@@ -61,7 +60,6 @@ ynh_app_setting_set $app domain $domain
 ynh_app_setting_set $app path $path_url
 ynh_app_setting_set $app admin $admin
 ynh_app_setting_set $app is_public $is_public
-ynh_app_setting_set $app language $language
 
 #=================================================
 # STANDARD MODIFICATIONS