diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index 90ebe1bfd3..36ddc29de5 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -137,9 +137,17 @@ import { SearchPipe } from 'jslib/angular/pipes/search.pipe';
 
 import { registerLocaleData } from '@angular/common';
 import localeDa from '@angular/common/locales/da';
+import localeDe from '@angular/common/locales/de';
+import localePt from '@angular/common/locales/pt';
+import localePtPt from '@angular/common/locales/pt-PT';
+import localeRu from '@angular/common/locales/ru';
 import localeSk from '@angular/common/locales/sk';
 
 registerLocaleData(localeDa, 'da');
+registerLocaleData(localeDe, 'de');
+registerLocaleData(localePt, 'pt-BR');
+registerLocaleData(localePtPt, 'pt-PT');
+registerLocaleData(localeRu, 'ru');
 registerLocaleData(localeSk, 'sk');
 
 @NgModule({
diff --git a/src/services/i18n.service.ts b/src/services/i18n.service.ts
index cbdb4282a5..7a44152fd5 100644
--- a/src/services/i18n.service.ts
+++ b/src/services/i18n.service.ts
@@ -11,7 +11,7 @@ export class I18nService extends BaseI18nService {
         });
 
         this.supportedTranslationLocales = [
-            'en', 'da', 'sk',
+            'en', 'da', 'de', 'pt-PT', 'pt-BR', 'ru', 'sk',
         ];
     }
 }