--- a/src/pyams_content/features/preview/zmi/templates/preview.pt	Tue Nov 20 09:10:49 2018 +0100
+++ b/src/pyams_content/features/preview/zmi/templates/preview.pt	Fri Nov 23 09:23:38 2018 +0100
@@ -16,7 +16,7 @@
 				<h3 class="modal-title"
 					tal:define="config tales:configuration;">
 					<span class="title" tal:content="structure view.title | context.title | config.title">Title</span>
-					<a class="hint"
+					<a class="hint" data-dismiss="modal"
 					   href="${preview_url}" target="_blank"
 					   title="Open in new window" i18n:attributes="title">
 						<i class="fa fa-fw fa-window-maximize"></i>