--- a/src/pyams_portal/zmi/templates/portlet.pt	Mon Oct 15 12:19:35 2018 +0200
+++ b/src/pyams_portal/zmi/templates/portlet.pt	Wed Oct 17 16:05:20 2018 +0200
@@ -107,7 +107,7 @@
 												<span>
 													<tal:var content="widget.label" />
 													<i class="fa fa-question-circle hint" title="Input hint"
-													   tal:define="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>