diff --git a/config/resources/domain.json b/config/resources/domain.json
index 939c00b..6bb96c6 100644
--- a/config/resources/domain.json
+++ b/config/resources/domain.json
@@ -602,7 +602,7 @@
         "applies-within": {
           "predicate": "ext:appliesWithin",
           "target": "administrative-unit-classification-codes",
-          "cardinality": "one"
+          "cardinality": "many"
         }
       },
       "new-resource-base": "http://data.vlaanderen.be/id/concept/BestuursorgaanClassificatieCode/"