diff -r 4c936511ece4 -r 8be1cfb23338 src/pyams_content/component/gallery/zmi/templates/gallery-medias.pt
--- a/src/pyams_content/component/gallery/zmi/templates/gallery-medias.pt	Mon Jul 06 17:16:35 2020 +0200
+++ b/src/pyams_content/component/gallery/zmi/templates/gallery-medias.pt	Wed Jul 15 18:02:59 2020 +0200
@@ -77,7 +77,7 @@
 						</tal:if>
 					</tal:if>
 					<tal:if condition="not:thumbnails">
-						<img class="thumbnail hint" src="/--static--/pyams_skin/img/mimetypes/unknown.png"
+						<img class="thumbnail hint" src="/--static--/myams/img/mimetypes/unknown.png"
 							 tal:attributes="title i18n:media.title"
 							 style="padding: 48px;" />
 					</tal:if>