diff --git a/templates/layouts/main.html.ep b/templates/layouts/main.html.ep
index 062a6b3..749dec3 100644
--- a/templates/layouts/main.html.ep
+++ b/templates/layouts/main.html.ep
@@ -58,6 +58,7 @@
         % my $api = url_for('index');
         % $api =~ s!/$!!;
         data-korap-url="<%== $api %>"
+        data-hint-foundries="<%= join(',', @{stash('hint_foundries') // []}) %>"
         itemscope
         itemtype="http://schema.org/<%= stash('schematype') || 'WebApplication' %>">