diff --git a/components/var_dumper.rst b/components/var_dumper.rst
index e7c10a3287f..bc14c970fa9 100644
--- a/components/var_dumper.rst
+++ b/components/var_dumper.rst
@@ -513,7 +513,7 @@ like this::
         $cloner = new VarCloner();
         $dumper = 'cli' === PHP_SAPI ? new CliDumper() : new HtmlDumper();
 
-        $dumper->dump($cloner->cloneVar($var));
+        return $dumper->dump($cloner->cloneVar($var));
     });
 
 Cloners