diff --git a/toolkit-showcase/assets/dbp-toolkit-showcase.html.ejs b/toolkit-showcase/assets/dbp-toolkit-showcase.html.ejs
index 7c9f567a49a1045b890a9eea462b826528d36692..d4a9e251a056609aed2eb51a5415ffb1de41c9a7 100644
--- a/toolkit-showcase/assets/dbp-toolkit-showcase.html.ejs
+++ b/toolkit-showcase/assets/dbp-toolkit-showcase.html.ejs
@@ -61,6 +61,7 @@
               nextcloud-file-url="<%= nextcloudFileURL %>">
     <<%= name %>
         src="<%= getUrl(name + '.topic.metadata.json') %>"
+        auth
         base-path="<%= getUrl('') %>"
         keycloak-config='{"url": "<%= keyCloakBaseURL %>", "realm": "tugraz", "clientId": "<%= keyCloakClientId %>", "silentCheckSsoRedirectUri": "<%= getUrl('silent-check-sso.html') %>"}'
         matomo-url="<%= matomoUrl %>" matomo-site-id="<%= matomoSiteId %>"