| Index: lib/prefs.js | 
| diff --git a/lib/prefs.js b/lib/prefs.js | 
| index 4705ba02603ec1ce256c6b7bc3b0ea13b7be80c0..fd9ddb57f65cfc8fedc852b0ac2a61e9595f4835 100644 | 
| --- a/lib/prefs.js | 
| +++ b/lib/prefs.js | 
| @@ -39,7 +39,11 @@ let defaults = { | 
| update_last_error: 0, | 
| update_soft_expiration: 0, | 
| update_hard_expiration: 0, | 
| -  currentVersion: "0.0" | 
| +  currentVersion: "0.0", | 
| +  notificationdata: { | 
| +    shown: [], | 
| +  }, | 
| +  notificationurl: "https://notification.adblockplus.org/notification.json" | 
| }; | 
|  | 
| let values = Object.create(defaults); | 
|  |