diff --git a/public/src/forum/topic.js b/public/src/forum/topic.js
index 3882d39922..be1022c12c 100644
--- a/public/src/forum/topic.js
+++ b/public/src/forum/topic.js
@@ -341,6 +341,17 @@ define(['composer'], function(composer) {
 					updateHeader();
 				}
 			})();
+
+			$('#post-container').on('mouseenter', '.favourite-tooltip', function(e) {
+				if (!$(this).data('users-loaded')) {
+					$(this).data('users-loaded', "true");
+					var pid = $(this).parents('.post-row').attr('data-pid');
+					var el = $(this).attr('title', "Loading...");
+					socket.emit('posts.getFavouritedUsers', pid, function(err, usernames) {
+						el.attr('title', usernames).tooltip('show');
+					});
+				}
+			});
 		});
 
 		function enableInfiniteLoading() {
diff --git a/public/templates/topic.tpl b/public/templates/topic.tpl
index 90ad7db476..ec72ff958b 100644
--- a/public/templates/topic.tpl
+++ b/public/templates/topic.tpl
@@ -66,7 +66,7 @@
 							<!-- IF @first -->
 							<button class="btn btn-sm btn-default follow" type="button" title="Be notified of new replies in this topic"><i class="fa fa-eye"></i></button>
 							<!-- ENDIF @first -->
-							<button data-favourited="{posts.favourited}" class="favourite btn btn-sm btn-default <!-- IF posts.favourited --> btn-warning <!-- ENDIF posts.favourited -->" type="button">
+							<button data-favourited="{posts.favourited}" class="favourite favourite-tooltip btn btn-sm btn-default <!-- IF posts.favourited --> btn-warning <!-- ENDIF posts.favourited -->" type="button">
 								<span class="favourite-text">[[topic:favourite]]</span>
 								<span class="post_rep_{posts.pid}">{posts.reputation} </span>
 								<!-- IF posts.favourited -->
diff --git a/src/favourites.js b/src/favourites.js
index 77e9606084..aa017c982b 100644
--- a/src/favourites.js
+++ b/src/favourites.js
@@ -1,4 +1,6 @@
-var db = require('./database'),
+var async = require('async'),
+
+	db = require('./database'),
 	posts = require('./posts'),
 	user = require('./user'),
 	translator = require('./../public/src/translator');
@@ -98,21 +100,33 @@ var db = require('./database'),
 	};
 
 	Favourites.getFavouritesByPostIDs = function (pids, uid, callback) {
-		var loaded = 0;
 		var data = {};
 
-		for (var i = 0, ii = pids.length; i < ii; i++) {
-			(function (post_id) {
-				Favourites.hasFavourited(post_id, uid, function (hasFavourited) {
+		function iterator(pid, next) {
+			Favourites.hasFavourited(pid, uid, function (hasFavourited) {
+				data[pid] = hasFavourited;
+				next()
+			});
+		}
 
-					data[post_id] = hasFavourited;
-					loaded++;
-					if (loaded === pids.length) {
-						callback(data);
-					}
-				});
-			}(pids[i]));
+		async.each(pids, iterator, function(err) {
+			callback(data);
+		});
+	};
+
+	Favourites.getFavouritedUidsByPids = function (pids, callback) {
+		var data = {};
+
+		function getUids(pid, next) {
+			db.getSetMembers('pid:' + pid + ':users_favourited', function(err, uids) {
+				data[pid] = uids;
+				next();
+			});
 		}
+
+		async.each(pids, getUids, function(err) {
+			callback(data);
+		});
 	};
 
 }(exports));
\ No newline at end of file
diff --git a/src/socket.io/posts.js b/src/socket.io/posts.js
index 0baed5d0b4..f02fff3117 100644
--- a/src/socket.io/posts.js
+++ b/src/socket.io/posts.js
@@ -3,6 +3,7 @@ var	posts = require('../posts'),
 	topics = require('../topics'),
 	favourites = require('../favourites'),
 	postTools = require('../postTools'),
+	user = require('../user'),
 	index = require('./index'),
 
 	SocketPosts = {};
@@ -168,4 +169,28 @@ SocketPosts.getPrivileges = function(socket, pid, callback) {
 	});
 };
 
+SocketPosts.getFavouritedUsers = function(socket, pid, callback) {
+	favourites.getFavouritedUidsByPids([pid], function(data) {
+		var max = 5; //hardcoded
+		var usernames = "";
+
+		var pid_uids = data[pid];
+		var rest_amount = 0;
+		if (data.hasOwnProperty(pid) && pid_uids.length > 0) {
+			if (pid_uids.length > max) {
+				rest_amount = pid_uids.length - max;
+				pid_uids = pid_uids.slice(0, max);
+			}
+			user.getUsernamesByUids(pid_uids, function(result) {
+				usernames = result.join(', ') + (rest_amount > 0
+					? " and " + rest_amount + (rest_amount > 1 ? " others" : " other")
+					: "");
+				callback(null, usernames);
+			});
+		} else {
+			callback(null, "");
+		}
+	});
+};
+
 module.exports = SocketPosts;
\ No newline at end of file