diff --git a/src/Project/Controllers/ProjectController.cs b/src/Project/Controllers/ProjectController.cs
index 3dff633717f470425759cc2b9693fb33c5fe7b74..cdcbac93231ab8364298f2759674fcf7c722b246 100644
--- a/src/Project/Controllers/ProjectController.cs
+++ b/src/Project/Controllers/ProjectController.cs
@@ -341,7 +341,7 @@ namespace Coscine.Api.Project.Controllers
             {
                 externalIdList.Add(externalId.ExternalIdColumn);
             }
-            return new RdfStoreConnector().GetTriples(new Uri("https://ror.org/04xfq0f34"), null, null, 1, externalIdList).Count() != 0;
+            return new RdfStoreConnector(Program.Configuration.GetStringAndWait("coscine/local/virtuoso/additional/url")).GetTriples(new Uri("https://ror.org/04xfq0f34"), null, null, 1, externalIdList).Count() != 0;
         }
 
         private void LogAnalytics(string operation,