diff --git a/deform/templates/checkbox_choice.pt b/deform/templates/checkbox_choice.pt
index 96cf9237..107b67ff 100644
--- a/deform/templates/checkbox_choice.pt
+++ b/deform/templates/checkbox_choice.pt
@@ -1,14 +1,16 @@
 <div tal:define="css_class css_class|field.widget.css_class;
                  style style|field.widget.style;
                  oid oid|field.oid;
+                 error_class error_class|field.widget.error_class;
                  inline getattr(field.widget, 'inline', False);
-                 autofocus autofocus|field.autofocus">
+                 autofocus autofocus|field.autofocus"
+     tal:attributes="class field.error and error_class or None">
   ${field.start_sequence()}
   <div tal:repeat="choice values | field.widget.values"
        tal:attributes="class string:form-check ${inline and 'form-check-inline' or ''}">
     <tal:choice tal:define="(value, title) choice">
       <input tal:attributes="checked value in cstruct;
-                             class string:form-check-input css_class;
+                             class string:form-check-input ${field.error and error_class or css_class};
                              style style;
                              autofocus not repeat.choice.index and autofocus;
                              attributes|field.widget.attributes|{};"