diff --git a/src/categories/recentreplies.js b/src/categories/recentreplies.js
index c85bd5a69a..7d42f053ff 100644
--- a/src/categories/recentreplies.js
+++ b/src/categories/recentreplies.js
@@ -86,7 +86,7 @@ module.exports = function(Categories) {
 				db.getSortedSetRevRangeByScore('cid:' + category.cid + ':tids', 0, -1, '+inf', Date.now(), next);
 			},
 			tids: function(next) {
-				db.getSortedSetRevRangeByScore('cid:' + category.cid + ':tids', 0, Math.max(1, count), Date.now(), 0, next);
+				db.getSortedSetRevRangeByScore('cid:' + category.cid + ':tids', 0, Math.max(1, count), Date.now(), '-inf', next);
 			}
 		}, function(err, results) {
 			if (err) {
diff --git a/src/database/mongo/sorted.js b/src/database/mongo/sorted.js
index db1c698e0b..d209f3f491 100644
--- a/src/database/mongo/sorted.js
+++ b/src/database/mongo/sorted.js
@@ -95,7 +95,16 @@ module.exports = function(db, module) {
 		if (!Array.isArray(keys) || !keys.length) {
 			return callback();
 		}
-		db.collection('objects').remove({_key: {$in: keys}, score: {$lte: max, $gte: min}}, function(err) {
+
+		var scoreQuery = {};
+		if (min !== '-inf') {
+			scoreQuery.$gte = min;
+		}
+		if (max !== '+inf') {
+			scoreQuery.$lte = max;
+		}
+
+		db.collection('objects').remove({_key: {$in: keys}, score: scoreQuery}, function(err) {
 			callback(err);
 		});
 	};
diff --git a/src/notifications.js b/src/notifications.js
index 0e73b34723..af88fd7b5b 100644
--- a/src/notifications.js
+++ b/src/notifications.js
@@ -214,10 +214,10 @@ var async = require('async'),
 				db.sortedSetsRemove(readKeys, notification.nid, next);
 			},
 			function(next) {
-				db.sortedSetsRemoveRangeByScore(unreadKeys, 0, oneWeekAgo, next);
+				db.sortedSetsRemoveRangeByScore(unreadKeys, '-inf', oneWeekAgo, next);
 			},
 			function(next) {
-				db.sortedSetsRemoveRangeByScore(readKeys, 0, oneWeekAgo, next);
+				db.sortedSetsRemoveRangeByScore(readKeys, '-inf', oneWeekAgo, next);
 			}
 		], function(err) {
 			if (err) {
@@ -358,7 +358,7 @@ var async = require('async'),
 
 		var	cutoffTime = Date.now() - week;
 
-		db.getSortedSetRangeByScore('notifications', 0, 500, 0, cutoffTime, function(err, nids) {
+		db.getSortedSetRangeByScore('notifications', 0, 500, '-inf', cutoffTime, function(err, nids) {
 			if (err) {
 				return winston.error(err.message);
 			}
diff --git a/src/user/notifications.js b/src/user/notifications.js
index b04cd8ba75..9ad100db2b 100644
--- a/src/user/notifications.js
+++ b/src/user/notifications.js
@@ -188,10 +188,9 @@ var async = require('async'),
 	}
 
 	UserNotifications.getDailyUnread = function(uid, callback) {
-		var	now = Date.now(),
-			yesterday = now - (1000*60*60*24);	// Approximate, can be more or less depending on time changes, makes no difference really.
+		var yesterday = Date.now() - (1000 * 60 * 60 * 24);	// Approximate, can be more or less depending on time changes, makes no difference really.
 
-		db.getSortedSetRevRangeByScore('uid:' + uid + ':notifications:unread', 0, 20, now, yesterday, function(err, nids) {
+		db.getSortedSetRevRangeByScore('uid:' + uid + ':notifications:unread', 0, 20, '+inf', yesterday, function(err, nids) {
 			if (err) {
 				return callback(err);
 			}
diff --git a/src/user/reset.js b/src/user/reset.js
index 808e7d1f41..222e988de6 100644
--- a/src/user/reset.js
+++ b/src/user/reset.js
@@ -144,10 +144,10 @@ var async = require('async'),
 			function(next) {
 				async.parallel({
 					tokens: function(next) {
-						db.getSortedSetRangeByScore('reset:issueDate', 0, -1, 0, Date.now() - twoHours, next);
+						db.getSortedSetRangeByScore('reset:issueDate', 0, -1, '-inf', Date.now() - twoHours, next);
 					},
 					uids: function(next) {
-						db.getSortedSetRangeByScore('reset:issueDate:uid', 0, -1, 0, Date.now() - twoHours, next);
+						db.getSortedSetRangeByScore('reset:issueDate:uid', 0, -1, '-inf', Date.now() - twoHours, next);
 					}
 				}, next);
 			},