diff --git a/Form/Type/ChoiceWithOtherType.php b/Form/Type/ChoiceWithOtherType.php
index beab31337..cb003b07d 100644
--- a/Form/Type/ChoiceWithOtherType.php
+++ b/Form/Type/ChoiceWithOtherType.php
@@ -49,7 +49,7 @@ class ChoiceWithOtherType extends AbstractType
     {
         $resolver
             ->setRequired(array('choices'))
-            ->setAllowedTypes(array('choices' => array('array')))
+            ->setAllowedTypes('choices', array('array'))
             ->setDefaults(array(
                'multiple' => false,
                ))