diff --git a/src/notifications.js b/src/notifications.js
index 4ea446d882..183a4c34a7 100644
--- a/src/notifications.js
+++ b/src/notifications.js
@@ -115,17 +115,21 @@ var async = require('async'),
 
 		Notifications.get(nid, null, function(notif_data) {
 			async.each(uids, function(uid, next) {
-				if (parseInt(uid, 10) > 0) {
-					checkReplace(notif_data.uniqueId, uid, notif_data, function(err, replace) {
-						if (replace) {
-							db.sortedSetAdd('uid:' + uid + ':notifications:unread', notif_data.datetime, nid);
-							websockets.in('uid_' + uid).emit('event:new_notification', notif_data);
-						}
+				if (!parseInt(uid, 10)) {
+					next();
+				}
 
-						if (callback) {
-							callback(true);
-						}
-					});
+				checkReplace(notif_data.uniqueId, uid, notif_data, function(err, replace) {
+					if (replace) {
+						db.sortedSetAdd('uid:' + uid + ':notifications:unread', notif_data.datetime, nid);
+						websockets.in('uid_' + uid).emit('event:new_notification', notif_data);
+					}
+					next();
+				});
+
+			}, function(err) {
+				if (callback) {
+					callback(true);
 				}
 			});
 		});
diff --git a/src/socket.io/admin/user.js b/src/socket.io/admin/user.js
index ec20007661..a07cdc1be8 100644
--- a/src/socket.io/admin/user.js
+++ b/src/socket.io/admin/user.js
@@ -39,10 +39,10 @@ User.banUsers = function(socket, uids, callback) {
 		return callback(new Error('[[error:invalid-data]]'));
 	}
 
-	async.each(uids, banUser, callback);
+	async.each(uids, User.banUser, callback);
 };
 
-function banUser(uid, callback) {
+User.banUser = function(uid, callback) {
 	user.isAdministrator(uid, function(err, isAdmin) {
 		if (err || isAdmin) {
 			return callback(err || new Error('[[error:cant-ban-other-admins]]'));
@@ -63,7 +63,7 @@ function banUser(uid, callback) {
 			callback();
 		});
 	});
-}
+};
 
 User.unbanUsers = function(socket, uids, callback) {
 	if(!Array.isArray(uids)) {
diff --git a/src/socket.io/posts.js b/src/socket.io/posts.js
index 32ce86edaa..865c26a769 100644
--- a/src/socket.io/posts.js
+++ b/src/socket.io/posts.js
@@ -3,6 +3,7 @@
 var	async = require('async'),
 	nconf = require('nconf'),
 
+	db = require('../database'),
 	posts = require('../posts'),
 	meta = require('../meta'),
 	topics = require('../topics'),
@@ -262,7 +263,8 @@ SocketPosts.flag = function(socket, pid, callback) {
 	}
 
 	var message = '',
-		path = '';
+		path = '',
+		post;
 
 	async.waterfall([
 		function(next) {
@@ -270,10 +272,11 @@ SocketPosts.flag = function(socket, pid, callback) {
 		},
 		function(username, next) {
 			message = '[[notifications:user_flagged_post, ' + username + ']]';
-			posts.getPostField(pid, 'tid', next);
+			posts.getPostFields(pid, ['tid', 'uid'], next);
 		},
-		function(tid, next) {
-			topics.getTopicField(tid, 'slug', next);
+		function(postData, next) {
+			post = postData;
+			topics.getTopicField(postData.tid, 'slug', next);
 		},
 		function(topicSlug, next) {
 			path = nconf.get('relative_path') + '/topic/' + topicSlug + '#' + pid;
@@ -287,7 +290,30 @@ SocketPosts.flag = function(socket, pid, callback) {
 				from: socket.uid
 			}, function(nid) {
 				notifications.push(nid, adminGroup.members, function() {
-					next(null);
+					next();
+				});
+			});
+		},
+		function(next) {
+			if (!parseInt(post.uid, 10)) {
+				return next();
+			}
+
+			db.setAdd('uid:' + post.uid + ':flagged_by', socket.uid, function(err) {
+				if (err) {
+					return next(err);
+				}
+				db.setCount('uid:' + post.uid + ':flagged_by', function(err, count) {
+					if (err) {
+						return next(err);
+					}
+
+					if (count >= (meta.config.flagsForBan || 3)) {
+						var adminUser = require('./admin/user');
+						adminUser.banUser(post.uid, next);
+						return;
+					}
+					next();
 				});
 			});
 		}
diff --git a/src/user/admin.js b/src/user/admin.js
index b6b97b2065..d489f16446 100644
--- a/src/user/admin.js
+++ b/src/user/admin.js
@@ -50,6 +50,7 @@ module.exports = function(User) {
 	};
 
 	User.unban = function(uid, callback) {
+		db.delete('uid:' + uid + ':flagged_by');
 		User.setUserField(uid, 'banned', 0, callback);
 	};
 };