--- a/src/pyams_portal/zmi/templates/portlet.pt	Fri Apr 27 17:13:43 2018 +0200
+++ b/src/pyams_portal/zmi/templates/portlet.pt	Fri Apr 27 17:13:54 2018 +0200
@@ -52,7 +52,7 @@
 							  tal:define="configuration view.configuration;
 										  can_inherit configuration.can_inherit;"
 							  tal:omit-tag="not can_inherit">
-						<input type="hidden" name="form.widgets.portlet_id"
+						<input type="hidden" name="portlet.widgets.portlet_id"
 							   tal:attributes="value configuration.portlet_id" />
 						<legend tal:condition="can_inherit"
 								class="inner checker"