diff --git a/src/Klein/ServiceProvider.php b/src/Klein/ServiceProvider.php
index ab2dec33..3128d797 100644
--- a/src/Klein/ServiceProvider.php
+++ b/src/Klein/ServiceProvider.php
@@ -238,7 +238,7 @@ public static function markdown($str, $args = null)
      */
     public static function escape($str, $flags = ENT_QUOTES)
     {
-        return htmlentities($str, $flags, 'UTF-8');
+        return htmlspecialchars($str, $flags, 'UTF-8');
     }
 
     /**