diff --git a/integration-libs/opf/base/root/config/opf-api-config.ts b/integration-libs/opf/base/root/config/opf-api-config.ts
index 87d77c5a933..8e3fcefe820 100644
--- a/integration-libs/opf/base/root/config/opf-api-config.ts
+++ b/integration-libs/opf/base/root/config/opf-api-config.ts
@@ -12,7 +12,7 @@ import { OpfApiBackendConfig } from '../model/opf-api-backend-config.model';
   providedIn: 'root',
   useExisting: Config,
 })
-export abstract class OpfApiConfig {
+export abstract class OpfApiConfig extends Config {
   backend?: OpfApiBackendConfig;
 }