symfony
diff --git a/‎form/create_form_type_extension.rst
Copy file name to clipboardExpand all lines: form/create_form_type_extension.rst
+1-1Lines changed: 1 addition & 1 deletion b/‎form/create_form_type_extension.rst
Copy file name to clipboardExpand all lines: form/create_form_type_extension.rst
+1-1Lines changed: 1 addition & 1 deletion
@@ -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 %}
             <img src="{{ asset(image_url) }}"/>
         {% endif %}
     {% endblock %}