diff --git a/bl-kernel/helpers/theme.class.php b/bl-kernel/helpers/theme.class.php
index 49200f8b..9582e303 100644
--- a/bl-kernel/helpers/theme.class.php
+++ b/bl-kernel/helpers/theme.class.php
@@ -206,7 +206,7 @@ class Theme {
 		return $links;
 	}
 
-	public static function javascript($files, $base=DOMAIN_THEME, $attributes="async")
+	public static function javascript($files, $base=DOMAIN_THEME, $attributes='')
 	{
 		if( !is_array($files) ) {
 			$files = array($files);
@@ -220,7 +220,7 @@ class Theme {
 		return $scripts;
 	}
 
-	public static function js($files, $base=DOMAIN_THEME, $attributes="async")
+	public static function js($files, $base=DOMAIN_THEME, $attributes='')
 	{
 		return self::javascript($files, $base, $attributes);
 	}
@@ -251,9 +251,9 @@ class Theme {
 		return '<script src="'.DOMAIN_CORE_JS.'jquery.min.js?version='.BLUDIT_VERSION.'"></script>'.PHP_EOL;
 	}
 
-	public static function jsBootstrap()
+	public static function jsBootstrap($attributes='')
 	{
-		return '<script async src="'.DOMAIN_CORE_JS.'bootstrap.bundle.min.js?version='.BLUDIT_VERSION.'"></script>'.PHP_EOL;
+		return '<script '.$attributes.' src="'.DOMAIN_CORE_JS.'bootstrap.bundle.min.js?version='.BLUDIT_VERSION.'"></script>'.PHP_EOL;
 	}
 
 	public static function cssBootstrap()
@@ -266,10 +266,10 @@ class Theme {
 		return '<link rel="stylesheet" type="text/css" href="'.DOMAIN_CORE_CSS.'line-awesome/css/line-awesome-font-awesome.min.css?version='.BLUDIT_VERSION.'">'.PHP_EOL;
 	}
 
-	public static function jsSortable()
+	public static function jsSortable($attributes='')
 	{
 		// https://github.com/psfpro/bootstrap-html5sortable
-		return '<script async src="'.DOMAIN_CORE_JS.'jquery.sortable.min.js?version='.BLUDIT_VERSION.'"></script>'.PHP_EOL;
+		return '<script '.$attributes.' src="'.DOMAIN_CORE_JS.'jquery.sortable.min.js?version='.BLUDIT_VERSION.'"></script>'.PHP_EOL;
 	}
 
 }