diff --git a/form/create_form_type_extension.rst b/form/create_form_type_extension.rst index 9bb0abc2d8e..9e0066d7be8 100644 --- a/form/create_form_type_extension.rst +++ b/form/create_form_type_extension.rst @@ -192,7 +192,7 @@ Specifically, you need to override the ``file_widget`` block: {% block file_widget %} {{ block('form_widget') }} - {% if image_url is not null %} + {% if image_url is defined and image_url is not null %}

{% endif %} {% endblock %}