diff --git a/src/categories.js b/src/categories.js
index ff2978e0ba..f708954992 100644
--- a/src/categories.js
+++ b/src/categories.js
@@ -257,28 +257,25 @@ var db = require('./database'),
 		}
 
 		CategoryTools.privileges(cid, uid, function(err, privileges) {
-			if (privileges.read) {
-				db.getSortedSetRevRange('categories:recent_posts:cid:' + cid, 0, count - 1, function(err, pids) {
+			if(err) {
+				return callback(err);
+			}
 
-					if (err) {
-						winston.err(err);
-						return callback(err, []);
-					}
+			if (!privileges.read) {
+				return callback(null, []);
+			}
 
-					if (pids.length === 0) {
-						return callback(null, []);
-					}
+			db.getSortedSetRevRange('categories:recent_posts:cid:' + cid, 0, count - 1, function(err, pids) {
+				if (err) {
+					return callback(err, []);
+				}
 
-					posts.getPostSummaryByPids(pids, true, function(err, postData) {
-						if(err) {
-							return callback(err);
-						}
-						callback(null, postData);
-					});
-				});
-			} else {
-				callback(null, []);
-			}
+				if (!pids || !pids.length) {
+					return callback(null, []);
+				}
+
+				posts.getPostSummaryByPids(pids, true, callback);
+			});
 		});
 	};
 
@@ -291,21 +288,16 @@ var db = require('./database'),
 
 				db.sortedSetRemove('categories:recent_posts:cid:' + oldCid, pid);
 				db.sortedSetAdd('categories:recent_posts:cid:' + cid, timestamp, pid);
-				callback(null);
+				callback();
 			});
 		}
 
 		topics.getPids(tid, function(err, pids) {
 			if(err) {
-				return callback(err, null);
+				return callback(err);
 			}
 
-			async.each(pids, movePost, function(err) {
-				if(err) {
-					return callback(err, null);
-				}
-				callback(null, 1);
-			});
+			async.each(pids, movePost, callback);
 		});
 	};
 
diff --git a/src/threadTools.js b/src/threadTools.js
index 87d0026171..5125eaf6a4 100644
--- a/src/threadTools.js
+++ b/src/threadTools.js
@@ -206,19 +206,14 @@ var winston = require('winston'),
 
 			topics.setTopicField(tid, 'cid', cid);
 
-			categories.moveActiveUsers(tid, oldCid, cid);
-			categories.moveRecentReplies(tid, oldCid, cid, function(err, data) {
-				if (err) {
-					winston.err(err);
-				}
-			});
-
 			if(!parseInt(topic.deleted, 10)) {
 				categories.incrementCategoryFieldBy(oldCid, 'topic_count', -1);
 				categories.incrementCategoryFieldBy(cid, 'topic_count', 1);
 			}
 
-			callback(null);
+			categories.moveActiveUsers(tid, oldCid, cid);
+
+			categories.moveRecentReplies(tid, oldCid, cid, callback);
 		});
 	}
 
diff --git a/src/upgrade.js b/src/upgrade.js
index 5f7140d31d..8fa94af00b 100644
--- a/src/upgrade.js
+++ b/src/upgrade.js
@@ -19,7 +19,7 @@ var db = require('./database'),
 
 Upgrade.check = function(callback) {
 	// IMPORTANT: REMEMBER TO UPDATE VALUE OF latestSchema
-	var	latestSchema = new Date(2014, 1, 2, 16, 0).getTime();
+	var	latestSchema = new Date(2014, 1, 7, 16, 0).getTime();
 
 	db.get('schemaDate', function(err, value) {
 		if (parseInt(value, 10) >= latestSchema) {
@@ -515,6 +515,52 @@ Upgrade.upgrade = function(callback) {
 				next();
 			}
 		},
+		function(next) {
+
+			thisSchemaDate = new Date(2014, 1, 7, 16, 0).getTime();
+			if (schemaDate < thisSchemaDate) {
+				updatesMade = true;
+
+				winston.info('[2014/2/7] Updating category recent replies');
+				db.getListRange('categories:cid', 0, -1, function(err, cids) {
+
+					function updateCategory(cid, next) {
+						db.getSortedSetRevRange('categories:recent_posts:cid:' + cid, 0, - 1, function(err, pids) {
+							function updatePid(pid, next) {
+								Posts.getCidByPid(pid, function(err, realCid) {
+									if(err) {
+										return next(err);
+									}
+
+									if(parseInt(realCid, 10) !== parseInt(cid, 10)) {
+										Posts.getPostField(pid, 'timestamp', function(err, timestamp) {
+											db.sortedSetRemove('categories:recent_posts:cid:' + cid, pid);
+											db.sortedSetAdd('categories:recent_posts:cid:' + realCid, timestamp, pid);
+											next();
+										});
+									} else {
+										next();
+									}
+								});
+							}
+
+							async.each(pids, updatePid, next);
+						});
+					}
+
+					if(err) {
+						return next(err);
+					}
+
+					async.each(cids, updateCategory, next);
+				});
+
+
+			} else {
+				winston.info('[2014/2/7] Updating category recent replies -- skipped');
+				next();
+			}
+		}
 		// Add new schema updates here
 		// IMPORTANT: REMEMBER TO UPDATE VALUE OF latestSchema IN LINE 17!!!
 	], function(err) {