diff --git a/src/static/js/l10n.js b/src/static/js/l10n.js
index 63061af7c..e2584cc4c 100644
--- a/src/static/js/l10n.js
+++ b/src/static/js/l10n.js
@@ -1022,3 +1022,7 @@ document.webL10n = (function(window, document, undefined) {
 if (window._ === undefined)
   var _ = document.webL10n.get;
 
+// CommonJS
+try {
+  exports = document.webL10n;
+}catch(e){}
\ No newline at end of file