diff --git a/dom/apps/Webapps.js b/dom/apps/Webapps.js
index 83e628b60107..a86d75a417be 100644
--- a/dom/apps/Webapps.js
+++ b/dom/apps/Webapps.js
@@ -549,7 +549,8 @@ WebappsApplication.prototype = {
   },
 
   get enabled() {
-    return this._proxy.enabled;
+    let value = this._proxy.enabled;
+    return (value === undefined ? true : value);
   },
 
   download: function() {