diff --git a/src/main/catalog/catalog-entity-registry.ts b/src/main/catalog/catalog-entity-registry.ts
index 8a69e18068..55162970a2 100644
--- a/src/main/catalog/catalog-entity-registry.ts
+++ b/src/main/catalog/catalog-entity-registry.ts
@@ -26,12 +26,10 @@ import { iter } from "../../common/utils";
 export class CatalogEntityRegistry {
   protected sources = observable.map<string, IComputedValue<CatalogEntity[]>>();
 
-  constructor() {
+  constructor(private categoryRegistry: CatalogCategoryRegistry) {
     makeObservable(this);
   }
 
-  constructor(private categoryRegistry: CatalogCategoryRegistry) {}
-
   @action addObservableSource(id: string, source: IObservableArray<CatalogEntity>) {
     this.sources.set(id, computed(() => source));
   }