closes #772

src/categories.js

@@ -397,8 +397,8 @@ var db = require('./database.js'),
 	};
 
 	Categories.moveActiveUsers = function(tid, oldCid, cid, callback) {
-		function updateUser(uid) {
+		function updateUser(uid, timestamp) {
-			Categories.addActiveUser(cid, uid, Date.now());
+			Categories.addActiveUser(cid, uid, timestamp);
 			Categories.isUserActiveIn(oldCid, uid, function(err, active) {
 
 				if (!err && !active) {
@@ -407,13 +407,17 @@ var db = require('./database.js'),
 			});
 		}
 
+		topics.getTopicField(tid, 'timestamp', function(err, timestamp) {
+			if(!err) {
 				topics.getUids(tid, function(err, uids) {
 					if (!err && uids) {
 						for (var i = 0; i < uids.length; ++i) {
-					updateUser(uids[i]);
+							updateUser(uids[i], timestamp);
 						}
 					}
 				});
+			}
+		});
 	};
 
 	Categories.onNewPostMade = function(uid, tid, pid, timestamp) {

src/threadTools.js

@@ -188,11 +188,7 @@ var winston = require('winston'),
 						}
 					});
 
-					categories.moveActiveUsers(tid, oldCid, cid, function(err, data) {
+					categories.moveActiveUsers(tid, oldCid, cid);
-						if (err) {
-							winston.err(err);
-						}
-					});
 
 					categories.incrementCategoryFieldBy(oldCid, 'topic_count', -1);
 					categories.incrementCategoryFieldBy(cid, 'topic_count', 1);