diff --git a/src/bundle/Resources/views/themes/admin/ui/form_fields.html.twig b/src/bundle/Resources/views/themes/admin/ui/form_fields.html.twig
index 174094bf48..2903b75917 100644
--- a/src/bundle/Resources/views/themes/admin/ui/form_fields.html.twig
+++ b/src/bundle/Resources/views/themes/admin/ui/form_fields.html.twig
@@ -69,6 +69,11 @@
     {%- endfor -%}
 {%- endblock -%}
 
+{%- block checkbox_widget -%}
+    {%- set attr = attr|merge({class: 'ez-input ez-input--checkbox'}) -%}
+    {{ parent() }}
+{%- endblock -%}
+
 {%- block trash_item_checkbox_widget -%}
     <input type="checkbox" {{ block('widget_attributes') }}{% if value is defined %} value="{{ value }}"{% endif %}{% if checked %} checked="checked"{% endif %} />
 {%- endblock -%}