diff --git a/scripts/install b/scripts/install
index fc04f65..c6e59c7 100755
--- a/scripts/install
+++ b/scripts/install
@@ -89,7 +89,7 @@ ynh_script_progression --message="Deploying $app..."
 
 pushd "$install_dir"
 	ynh_use_nodejs
-        ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH APP_ENV=local yarn install moment-locales-webpack-plugin
+        ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH APP_ENV=local yarn add moment-locales-webpack-plugin
 	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH NODE_ENV=production APP_ENV=local yarn install --production
 	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH NODE_ENV=production APP_ENV=local yarn run production
 	ynh_exec_warn_less ynh_exec_as $app php$phpversion artisan setup:production --force --email=$email --password=$password