diff --git a/fid_bbi/config/vufind/config.ini b/fid_bbi/config/vufind/config.ini
index 19b6cc5fd9b4249b1ec46ce865ffca334c0f621e..7dad843047dc8f806e64b6d1ba6d3eb81f8c292e 100644
--- a/fid_bbi/config/vufind/config.ini
+++ b/fid_bbi/config/vufind/config.ini
@@ -94,7 +94,8 @@ bik = "335000-9"
 
 [CustomIndex]
 ;indexExtension  = "de23"
-;localMarcFieldOfLibraryNamespace = "hab"
+localMarcFieldOfLibraryMapping[] = "fidbbi:1000"
+localMarcFieldOfLibraryNamespace = "fidbbi"
 generalFormats = true
 
 ;[CustomSite]