diff --git a/frontend/angular.json b/frontend/angular.json
index f67ccb2384..13da219ee6 100644
--- a/frontend/angular.json
+++ b/frontend/angular.json
@@ -13,6 +13,7 @@
           "builder": "@angular-devkit/build-angular:browser",
           "options": {
             "preserveSymlinks": true,
+            "aot": true,
             "outputPath": "../public/assets/frontend/",
             "index": "src/index2.html",
             "main": "src/main.ts",
diff --git a/frontend/legacy/typings/open-project-legacy.typings.d.ts b/frontend/legacy/typings/open-project-legacy.typings.d.ts
index 0ba7ed65d6..a8422bd2dd 100644
--- a/frontend/legacy/typings/open-project-legacy.typings.d.ts
+++ b/frontend/legacy/typings/open-project-legacy.typings.d.ts
@@ -34,6 +34,7 @@
 import * as TAngular from 'angular';
 import * as TLodash from 'lodash';
 import {State} from "reactivestates";
+import {GlobalI18n} from "../../src/app/modules/common/i18n/i18n.service";
 
 export interface IPluginContext {
   classes:any;
@@ -52,4 +53,5 @@ declare global {
   }
   const angular:typeof TAngular;
   const _:typeof TLodash;
+  const I18n:GlobalI18n;
 }