diff --git a/source/i18n.js b/source/i18n.js
index 38f4573d0..ca0a7fb98 100644
--- a/source/i18n.js
+++ b/source/i18n.js
@@ -5,8 +5,12 @@ import queryString from 'query-string'
 import { getIframeOption } from './utils'
 import enTranslations from './locales/en.yaml'
 
-let lang = getIframeOption('lang') || queryString.parse(location.search)['lang'] || sessionStorage['lang']
-if (lang) sessionStorage['lang'] = lang
+let lang = getIframeOption('lang') ||
+    queryString.parse(location.search)['lang'] ||
+	sessionStorage['lang'] ||
+	'fr'
+
+sessionStorage['lang'] = lang
 
 i18next
 	.init({