| Index: lib/prefs.js | 
| diff --git a/lib/prefs.js b/lib/prefs.js | 
| index e852cbf895acdefddd3ec6205cec310fbaf7c62e..f93abf3db1cf300da7b8b6f61617f6c5cca98b93 100644 | 
| --- a/lib/prefs.js | 
| +++ b/lib/prefs.js | 
| @@ -41,7 +41,8 @@ let defaults = { | 
| update_hard_expiration: 0, | 
| currentVersion: "0.0", | 
| notificationdata: {}, | 
| -  notificationurl: "https://notification.adblockplus.org/notification.json" | 
| +  notificationurl: "https://notification.adblockplus.org/notification.json", | 
| +  notifications_ignoredcategories: [], | 
| }; | 
|  | 
| let values = Object.create(defaults); | 
|  |