diff -r a50cbd7d702f -r 037687868bc4 server/src/app/Libraries/Mappers/CocoonAbstractRdfMapper.php
--- a/server/src/app/Libraries/Mappers/CocoonAbstractRdfMapper.php	Tue Dec 01 16:49:37 2015 +0100
+++ b/server/src/app/Libraries/Mappers/CocoonAbstractRdfMapper.php	Thu Dec 10 16:05:53 2015 +0100
@@ -133,7 +133,7 @@
         foreach($collections as $coll) {
             if($coll instanceof Resource) {
                 $collUri = $coll->getUri();
-                if(strpos(strtolower($collUri), "collection", strlen(config('cocoon_doc_id_base_uri'))) !== FALSE) {
+                if(strpos(strtolower($collUri), "collection", strlen(config('corpusparole.cocoon_doc_id_base_uri'))) !== FALSE) {
                     $collectionGraph = new Graph($collUri);
                     $this->outputGraphes[$collUri] = $collectionGraph;
                     $collectionGraph->resource($collUri, 'edm:Collection');