diff --git a/LSS/XML2Array.php b/LSS/XML2Array.php
index ad5dafa..484ca00 100644
--- a/LSS/XML2Array.php
+++ b/LSS/XML2Array.php
@@ -157,6 +157,8 @@ protected static function &convert($node, $callback = null) {
 					$output[static::$prefix_attributes.'attributes'] = $a;
 				}
 				break;
+			default:
+				$output = '';
 		}
 		return $output;
     }