diff --git a/src/main.ts b/src/main.ts
index 54209de5..c2a6224f 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,6 +1,7 @@
 import Vue from 'vue';
 import App from './App.vue';
 import { ApplicationBootstrapper } from './presentation/Bootstrapping/ApplicationBootstrapper';
+import 'core-js/fn/array/flat-map'; // Here until Vue 3 & CLI v4 https://github.com/vuejs/vue-cli/issues/3834
 
 new ApplicationBootstrapper()
     .bootstrap(Vue);