diff --git a/src/Element/HttpQueryString.php b/src/Element/HttpQueryString.php
index cdec590..57a1e51 100644
--- a/src/Element/HttpQueryString.php
+++ b/src/Element/HttpQueryString.php
@@ -36,7 +36,7 @@ class HttpQueryString implements \ArrayAccess {
    *   A http query string.
    */
   function __toString() {
-    return (count($this->query) > 0 ? '?' : '') . http_build_query($this->query);
+    return ($this->query ? '?' : '') . http_build_query($this->query);
   }
 
   /**