diff --git a/config/delta-producer/public/export.json b/config/delta-producer/public/export.json
index f6233c8..5c5de6e 100644
--- a/config/delta-producer/public/export.json
+++ b/config/delta-producer/public/export.json
@@ -144,6 +144,7 @@
         "http://www.w3.org/2004/02/skos/core#altLabel",
         "http://www.w3.org/ns/org#linkedTo",
         "http://data.lblod.info/vocabularies/erediensten/typeEredienst",
+        "http://www.w3.org/ns/org#classification",
         "http://www.w3.org/ns/adms#identifier"
       ]
     },