diff --git a/misc/drupal.js b/misc/drupal.js
index c2e862435a4cb1ba538b6a33c6782c32400d87ef..01c159649bb3a4d276a01cbacb407d7524a00d65 100644
--- a/misc/drupal.js
+++ b/misc/drupal.js
@@ -149,7 +149,7 @@ Drupal.t = function(str, args) {
  *   A translated string.
  */
 Drupal.formatPlural = function(count, singular, plural, args) {
-  var args = ars || {};
+  var args = args || {};
   args['@count'] = count;
   // Determine the index of the plural form.
   var index = Drupal.locale.pluralFormula ? Drupal.locale.pluralFormula(args['@count']) : ((args['@count'] == 1) ? 0 : 1);