diff --git a/app/views/layouts/_header.html.haml b/app/views/layouts/_header.html.haml
index 79a0ba56..dfd5f2f5 100644
--- a/app/views/layouts/_header.html.haml
+++ b/app/views/layouts/_header.html.haml
@@ -23,6 +23,6 @@
       \==================================================
     / Placed at the end of the document so the pages load faster
     :javascript
-      I18n = {locale: '#{I18n.locale}'}
+      I18n = {locale: '#{j(I18n.locale.to_s)}'}
     = javascript_include_tag "application"
     = yield(:javascript)