diff --git a/components/console/helpers/dialoghelper.rst b/components/console/helpers/dialoghelper.rst
index 6917d807235..fdfcbdf72b2 100644
--- a/components/console/helpers/dialoghelper.rst
+++ b/components/console/helpers/dialoghelper.rst
@@ -156,9 +156,11 @@ You can also ask and validate a hidden response::
     $dialog = $this->getHelperSet()->get('dialog');
 
     $validator = function ($value) {
-        if (trim($value) == '') {
+        if ('' === trim($value)) {
             throw new \Exception('The password can not be empty');
         }
+        
+        return $value;
     };
 
     $password = $dialog->askHiddenResponseAndValidate(