diff --git a/mong_usr.js b/mong_usr.js
index bc6369d..5f4b8c8 100644
--- a/mong_usr.js
+++ b/mong_usr.js
@@ -1,6 +1,6 @@
 db.users.insert([
     // User: author, Pwd: author
-    {"_id":"author","name":"Author","type":"PF@EFI;","roles":'{"user":true,"author":true}',"hash":"sha256","salt":"SIzKNsNKsCRVr8a9U90q6A==","pwd":"HZly68TSAKHioz6Kz0QCbXVTHpT6hMmabUbFYVlCMeE=","abos":[],"bookmarks":[],},
+    {"_id":"author","name":"Author","type":"PF@EFI;","roles":{"user":true,"author":true},"hash":"sha256","salt":"SIzKNsNKsCRVr8a9U90q6A==","pwd":"HZly68TSAKHioz6Kz0QCbXVTHpT6hMmabUbFYVlCMeE=","abos":[],"bookmarks":[],},
     // User: admin, Pwd: SwenMho
 //    {"_id":"admin","name":"Test Admin","type":"MA@AMP;","roles":'{"user":true,"author":true,"admin":true}',"hash":"sha256","salt":"z3PNXGmQaWvaT7m2ZlT+0w==","pwd":"nfUfNv032J745xj3Hzya3Mkk43Dz/H0BmNTZhtx8UM0=","abos":["veniam","ipsum"],"bookmarks":[],},
 ])
diff --git a/server.js b/server.js
index c5e5f5e..7754ab1 100644
--- a/server.js
+++ b/server.js
@@ -60,11 +60,11 @@ app.use(session({
 		secure: true, // true for https only (since our app works only with https)
 	},
 	name: 'om.sid',
-//	store: new MongoStore({
-//		mongooseConnection: mong.connection,
-//		ttl: 30 * 24 * 3600,
-//	}), // mongoose + connect-mongo
-	//store: new MemoryStore ({checkPeriod: 24*3600*1000}),   // memorystore
+	store: new MongoStore({
+		mongooseConnection: mong.connection,
+		ttl: 30 * 24 * 3600,
+	}), // mongoose + connect-mongo
+	store: new MemoryStore ({checkPeriod: 24*3600*1000}),   // memorystore
 }));
 
 // Favicon for Desktop
diff --git a/server/authorization.js b/server/authorization.js
index 9b88055..4124aef 100644
--- a/server/authorization.js
+++ b/server/authorization.js
@@ -14,13 +14,13 @@ const clientVisibleSession = { user: true, name: true, type: true, mail: true, r
 
 // Return user role, query from found.mail
 function getUserRole(found) {
-    var roles = "user";
+    var roles = {user:true};
     var mail = found.mail;
     if (!/\d/.test(mail)) {
         // Mail contains no number
-        roles += ',"author"';
+        roles.author = true;
     }
-    return JSON.stringify('{'+roles+'}');
+    return roles;
 }
 
 // Fill in session object