diff --git a/plugins/catalog-backend/src/next/NextEntitiesCatalog.ts b/plugins/catalog-backend/src/next/NextEntitiesCatalog.ts
index f8c244cbfd..14fda4ea24 100644
--- a/plugins/catalog-backend/src/next/NextEntitiesCatalog.ts
+++ b/plugins/catalog-backend/src/next/NextEntitiesCatalog.ts
@@ -189,6 +189,7 @@ export class NextEntitiesCatalog implements EntitiesCatalog {
       current = todo.pop()
     ) {
       const currentRef = stringifyEntityRef(current);
+      seenEntityRefs.add(currentRef);
 
       const parentRows = await this.database<DbRefreshStateReferencesRow>(
         'refresh_state_references',