diff --git a/packages/backend-app-api/src/wiring/BackendInitializer.ts b/packages/backend-app-api/src/wiring/BackendInitializer.ts
index b6f79e19da..93d2f6942a 100644
--- a/packages/backend-app-api/src/wiring/BackendInitializer.ts
+++ b/packages/backend-app-api/src/wiring/BackendInitializer.ts
@@ -167,7 +167,10 @@ export class BackendInitializer {
   }
 
   async #doStart(): Promise<void> {
-    this.#serviceHolder = new ServiceRegistry(this.#defaultApiFactories);
+    this.#serviceHolder = new ServiceRegistry([
+      ...this.#defaultApiFactories,
+      ...this.#providedServiceFactories,
+    ]);
 
     const featureDiscovery = await this.#serviceHolder.get(
       featureDiscoveryServiceRef,