diff --git a/src/SxBootstrap/View/Helper/Bootstrap/AbstractElementHelper.php b/src/SxBootstrap/View/Helper/Bootstrap/AbstractElementHelper.php
index <HASH>..<HASH> 100644
--- a/src/SxBootstrap/View/Helper/Bootstrap/AbstractElementHelper.php
+++ b/src/SxBootstrap/View/Helper/Bootstrap/AbstractElementHelper.php
@@ -75,7 +75,7 @@ abstract class AbstractElementHelper extends AbstractHelper
      */
     public final function __toString()
     {
-        return $this->render();
+        return (string)$this->render();
     }
 
     /**
Added string cast to __toString method

This was suggested by @ronaldbaltus. The reasoning was that
the render() method does not neccesarily return string, but
could instead rely on __toString to do the final conversion.