diff --git a/lib/extensions/src/lib/services/extension.service.ts b/lib/extensions/src/lib/services/extension.service.ts
index e58ebd6fde..69b53fb704 100644
--- a/lib/extensions/src/lib/services/extension.service.ts
+++ b/lib/extensions/src/lib/services/extension.service.ts
@@ -26,9 +26,13 @@ import { ComponentRegisterService } from './component-register.service';
 import { RuleService } from './rule.service';
 import { ExtensionElement } from '../config/extension-element';
 
-const EXTENSION_JSONS = new InjectionToken<ExtensionRef[][]>('extension-jsons', {
+export function extensionJsonsFactory() {
+    return [];
+}
+
+export const EXTENSION_JSONS = new InjectionToken<ExtensionRef[][]>('extension-jsons', {
     providedIn: 'root',
-    factory: () => []
+    factory: extensionJsonsFactory
 });
 
 export function provideExtensionConfig(jsons: ExtensionRef[]) {