--- a/src/pyams_form/interfaces/templates/form.pt	Fri Oct 12 15:04:40 2018 +0200
+++ b/src/pyams_form/interfaces/templates/form.pt	Wed Oct 17 16:10:30 2018 +0200
@@ -96,7 +96,7 @@
 											<span>
 												<tal:var content="widget.label" />
 												<i class="fa fa-question-circle hint" title="Input hint"
-												   tal:define="description getattr(widget, 'description', widget.field.description)"
+												   tal:define="description getattr(widget, 'description', None) or widget.field.description"
 												   tal:condition="description"
 												   tal:attributes="title description;
 																   data-ams-hint-html '<' in description;"></i>