diff --git a/app.json b/app.json
index abef42a1..8f2fc7b2 100644
--- a/app.json
+++ b/app.json
@@ -40,6 +40,7 @@
      *      ]
      */
     "requires": [
+		"ext-locale"
     ],
 
     /**
diff --git a/app/Application.js b/app/Application.js
index 23253f48..2b30c232 100644
--- a/app/Application.js
+++ b/app/Application.js
@@ -31,6 +31,9 @@ Ext.define('Rambox.Application', {
 		ga_storage._trackPageview('/index.html', 'main');
 		ga_storage._trackEvent('Versions', require('electron').remote.app.getVersion());
 
+		// Load language for Ext JS library
+		Ext.Loader.loadScript({url: Ext.util.Format.format("ext/packages/ext-locale/build/ext-locale-{0}.js", localStorage.getItem('locale-auth0') || 'en')});
+
 		// Initialize Auth0
 		Rambox.ux.Auth0.init();