--- a/src/pyams_content/shared/common/zmi/templates/preview-input.pt	Mon Jul 09 12:43:15 2018 +0200
+++ b/src/pyams_content/shared/common/zmi/templates/preview-input.pt	Mon Jul 09 13:39:20 2018 +0200
@@ -30,7 +30,7 @@
 								accesskey view/accesskey;
 								onselect view/onselect;
 								checked python: checked and 'checked' or None;
-								data-ams-data extension:object_data(view);" />
+								data-ams-data tales:object_data(view);" />
 		<i></i><span tal:replace="item/label" i18n:translate="">Label</span>
 	</label>
 	<button class="btn btn-xs col-md-2" i18n:domain="pyams_content"