diff --git a/src/I18n/I18nManager.tsx b/src/I18n/I18nManager.tsx
index b5271dff4..17868dbf7 100644
--- a/src/I18n/I18nManager.tsx
+++ b/src/I18n/I18nManager.tsx
@@ -4,6 +4,7 @@ import 'moment/locale/en-gb';
 import 'moment/locale/es';
 import 'moment/locale/fr';
 import 'moment/locale/it';
+import 'moment/locale/cs';
 import 'moment/locale/pt-br';
 
 import i18n from 'i18n-js';
@@ -13,7 +14,7 @@ import { findBestAvailableLanguage, usesMetricSystem } from 'react-native-locali
 
 import Constants from '../utils/Constants';
 import Utils from '../utils/Utils';
-import czJsonLanguage from './languages/cz.json';
+import csJsonLanguage from './languages/cs.json';
 import deJsonLanguage from './languages/de.json';
 import enJsonLanguage from './languages/en.json';
 import esJsonLanguage from './languages/es.json';
@@ -79,7 +80,7 @@ export default class I18nManager {
       es: () => esJsonLanguage,
       pt: () => ptJsonLanguage,
       it: () => itJsonLanguage,
-      cz: () => czJsonLanguage
+      cs: () => csJsonLanguage
     };
     // Fallback if no available language fits
     i18n.fallbacks = true;
@@ -93,7 +94,7 @@ export default class I18nManager {
     i18n.translations.es = esJsonLanguage;
     i18n.translations.pt = ptJsonLanguage;
     i18n.translations.it = itJsonLanguage;
-    i18n.translations.cz = czJsonLanguage;
+    i18n.translations.cs = csJsonLanguage;
     // Update layout direction
     I18nReactNativeManager.forceRTL(isRTL);
     // Default
diff --git a/src/I18n/languages/cz.json b/src/I18n/languages/cs.json
similarity index 100%
rename from src/I18n/languages/cz.json
rename to src/I18n/languages/cs.json
diff --git a/src/utils/Constants.tsx b/src/utils/Constants.tsx
index 1abe990ed..21312238e 100644
--- a/src/utils/Constants.tsx
+++ b/src/utils/Constants.tsx
@@ -3,8 +3,8 @@ import { PagingParams } from '../types/QueryParams';
 export default class Constants {
   public static readonly REST_RESPONSE_SUCCESS = 'Success';
 
-  public static readonly SUPPORTED_LOCALES = ['en_US', 'fr_FR', 'de_DE', 'es_ES', 'pt_PT', 'it_IT', 'cz_CZ'];
-  public static readonly SUPPORTED_LANGUAGES = ['en', 'fr', 'de', 'es', 'pt', 'it', 'cz'];
+  public static readonly SUPPORTED_LOCALES = ['en_US', 'fr_FR', 'es_ES', 'de_DE', 'pt_PT', 'it_IT', 'cs_CZ', 'en_AU'];
+  public static readonly SUPPORTED_LANGUAGES = ['en', 'fr', 'de', 'es', 'pt', 'it', 'cs'];
   public static readonly DEFAULT_LOCALE = 'en_US';
   public static readonly DEFAULT_LANGUAGE = 'en';