diff --git a/projects/oocx-ng/src/test.ts b/projects/oocx-ng/src/test.ts
index e11ff1c..33659e4 100644
--- a/projects/oocx-ng/src/test.ts
+++ b/projects/oocx-ng/src/test.ts
@@ -1,6 +1,6 @@
 // This file is required by karma.conf.js and loads recursively all the .spec and framework files
 
-import 'core-js/es7/reflect';
+import 'core-js/es/reflect';
 import 'zone.js/dist/zone';
 import 'zone.js/dist/zone-testing';
 import { getTestBed } from '@angular/core/testing';