diff --git a/src/core/I18n.js b/src/core/I18n.js
index 823a8b0bc..74133231d 100644
--- a/src/core/I18n.js
+++ b/src/core/I18n.js
@@ -6,7 +6,7 @@ import * as Util from './Util.js';
  * Utility functions to deal with translations.
  */
 
-const locales = {};
+export const locales = {};
 
 // @property locale: String
 // The current locale code, that will be used when translating strings.
diff --git a/src/core/index.js b/src/core/index.js
index 7902d3d52..43b49d8f7 100644
--- a/src/core/index.js
+++ b/src/core/index.js
@@ -2,7 +2,7 @@ export {default as Browser} from './Browser.js';
 export {Class} from './Class.js';
 export {Evented} from './Events.js';
 export {Handler} from './Handler.js';
-export {locale, translate, setLocale, registerLocale} from './I18n.js';
+export {locale, locales, translate, setLocale, registerLocale} from './I18n.js';
 
 import * as Util from './Util.js';
 export {Util};