diff --git a/media/js/mkt/apps.js b/media/js/mkt/apps.js
index 037b1593f47..aef0bfadc45 100644
--- a/media/js/mkt/apps.js
+++ b/media/js/mkt/apps.js
@@ -33,8 +33,9 @@ navigator
 exports.install = function(product, opt) {
     opt = $.extend({'domContext': document,
                     'navigator': navigator,
-                    'data': {'categories': product.categories}},
+                    'data': undefined},
                    opt || {});
+    opt.data.categories = product.categories;
     var self = apps,
         errSummary,
         manifestUrl = product.manifestUrl,