diff --git a/manifest.json b/manifest.json
index e9460a7..23157c0 100644
--- a/manifest.json
+++ b/manifest.json
@@ -59,16 +59,6 @@
                     "fr": "Est-ce une application publique ?"
                 },
                 "default": true
-            },
-            {
-                "name": "language",
-                "type": "string",
-                "ask": {
-                    "en": "Choose the application language",
-                    "fr": "Choisissez la langue de l'application"
-                },
-                "choices": ["fr", "en"],
-                "default": "fr"
             }
         ]
     }
diff --git a/scripts/install b/scripts/install
index 8348153..79f0cc1 100755
--- a/scripts/install
+++ b/scripts/install
@@ -22,7 +22,6 @@ ynh_abort_if_errors
 domain=$YNH_APP_ARG_DOMAIN
 path_url=$YNH_APP_ARG_PATH
 is_public=$YNH_APP_ARG_IS_PUBLIC
-language=$YNH_APP_ARG_LANGUAGE
 admin=$YNH_APP_ARG_ADMIN
 
 app=$YNH_APP_INSTANCE_NAME
@@ -35,9 +34,6 @@ ynh_script_progression --message="Validating installation parameters..." --weigh
 final_path=/var/www/$app
 test ! -e "$final_path" || ynh_die "This path already contains a folder"
 
-# Normalize the url path syntax
-path_url=$(ynh_normalize_url_path $path_url)
-
 # Register (book) web path
 ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
 
@@ -49,7 +45,6 @@ ynh_script_progression --message="Storing installation settings..."
 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=$app --key=is_public --value=$is_public
-ynh_app_setting_set --app=$app --key=language --value=$language
 ynh_app_setting_set --app=$app --key=admin --value=$admin
 
 #=================================================
@@ -81,9 +76,9 @@ ynh_psql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
 #=================================================
 ynh_script_progression --message="Setting up source files..."
 
-ynh_app_setting_set $app final_path $final_path
+ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, check integrity, uncompress and patch the source from app.src
-ynh_setup_source "$final_path"
+ynh_setup_source --dest_dir="$final_path"
 
 #=================================================
 # NGINX CONFIGURATION
@@ -144,8 +139,6 @@ cp ../conf/noalyss.conf $final_path/include/config.inc.php
 
 ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/include/config.inc.php"
 ynh_replace_string --match_string="__DB_PASS__" --replace_string="$db_pwd" --target_file="$final_path/include/config.inc.php"
-#ynh_replace_string --match_string="__ADMIN__" --replace_string="$admin" --target_file="$final_path/include/config.inc.php"
-#ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="$final_path/include/config.inc.php"
 
 #=================================================
 # STORE THE CONFIG FILE CHECKSUM