diff --git a/lib/javascripts/locale/pseudo.js b/lib/javascripts/locale/pseudo.js
new file mode 100644
index 0000000000..f3f94b26ce
--- /dev/null
+++ b/lib/javascripts/locale/pseudo.js
@@ -0,0 +1,6 @@
+MessageFormat.locale.pseudo = function ( n ) {
+  if ( n === 1 ) {
+    return "one";
+  }
+  return "other";
+};