diff --git a/public/catalog.rdf b/public/instance/catalog.rdf
similarity index 94%
rename from public/catalog.rdf
rename to public/instance/catalog.rdf
index 8e7f4036a3ee96e80e70f468f9a3ec93ff0d0f40..63e7aca1a8264b59759fd8decff1f1b7bd181680 100644
--- a/public/catalog.rdf
+++ b/public/instance/catalog.rdf
@@ -5,7 +5,7 @@
          xmlns:org="http://www.w3.org/ns/org#"
          xmlns:skos="http://www.w3.org/2004/02/skos/core#">
 
-  <dcat:Catalog rdf:about="http://uri.hab.de/catalog">
+  <dcat:Catalog rdf:about="http://uri.hab.de/instance/catalog">
     <dct:title xml:lang="de">Datenkatalog der Herzog Augst Bibliothek Wolfenbüttel</dct:title>
     <dct:publisher>
       <org:FormalOrganization rdf:about="http://uri.hab.de/instance/organization/habwf">