diff -r b9dd84d35128 -r 0cdf3652748d src/pyams_portal/zmi/templates/portlet.pt
--- a/src/pyams_portal/zmi/templates/portlet.pt	Mon Jul 09 11:43:13 2018 +0200
+++ b/src/pyams_portal/zmi/templates/portlet.pt	Mon Jul 09 13:42:42 2018 +0200
@@ -10,7 +10,7 @@
 				<i class="fa fa-fw fa-times-circle"></i>
 			</button>
 			<h3 class="modal-title"
-				tal:define="config extension:configuration;">
+				tal:define="config tales:configuration;">
 				<span class="title" tal:content="view.title">Title</span>
 			</h3>
 			<tal:var replace="structure provider:form_toolbar" />
@@ -32,7 +32,7 @@
 							  accept view.accept;
 							  autocomplete view.autocomplete;
 							  class view.css_class;
-							  data-ams-data extension:object_data(view);
+							  data-ams-data tales:object_data(view);
 							  data-ams-form-handler view.get_ajax_handler() | nothing;
 							  data-ams-form-options view.get_form_options() | nothing;
 							  data-ams-form-submit-target view.form_target | nothing;
@@ -94,7 +94,7 @@
 								<tal:var define="help group.help" condition="help">
 									<div class="alert alert-info padding-5"
 										 tal:define="i18n_help request.localizer.translate(help);"
-										 tal:content="structure extension:html(i18n_help)"></div>
+										 tal:content="structure tales:html(i18n_help)"></div>
 								</tal:var>
 								<tal:loop repeat="widget group.visible_widgets">
 									<input type="hidden"