diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index afc9bcd898..542776e61b 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -136,21 +136,31 @@ import { SearchCiphersPipe } from 'jslib/angular/pipes/search-ciphers.pipe';
 import { SearchPipe } from 'jslib/angular/pipes/search.pipe';
 
 import { registerLocaleData } from '@angular/common';
+import localeCs from '@angular/common/locales/cs';
 import localeDa from '@angular/common/locales/da';
 import localeDe from '@angular/common/locales/de';
+import localeEs from '@angular/common/locales/es';
 import localeFr from '@angular/common/locales/fr';
+import localeNb from '@angular/common/locales/nb';
 import localePtBr 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';
+import localeSv from '@angular/common/locales/sv';
+import localeZhCn from '@angular/common/locales/zh-Hans';
 
+registerLocaleData(localeCs, 'cs');
 registerLocaleData(localeDa, 'da');
 registerLocaleData(localeDe, 'de');
+registerLocaleData(localeEs, 'es');
 registerLocaleData(localeFr, 'fr');
+registerLocaleData(localeNb, 'nb');
 registerLocaleData(localePtBr, 'pt-BR');
 registerLocaleData(localePtPt, 'pt-PT');
 registerLocaleData(localeRu, 'ru');
 registerLocaleData(localeSk, 'sk');
+registerLocaleData(localeSv, 'sv');
+registerLocaleData(localeZhCn, 'zh-CN');
 
 @NgModule({
     imports: [
diff --git a/src/services/i18n.service.ts b/src/services/i18n.service.ts
index 38ef5c5fb8..fc1a15a81e 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', 'de', 'fr', 'pt-PT', 'pt-BR', 'ru', 'sk',
+            'en', 'cs', 'da', 'de', 'es', 'fr', 'nb', 'pt-PT', 'pt-BR', 'ru', 'sk', 'sv', 'zh-CN',
         ];
     }
 }