diff --git a/src/database/mongo/sorted.js b/src/database/mongo/sorted.js
index fa772666b3..d9183521c6 100644
--- a/src/database/mongo/sorted.js
+++ b/src/database/mongo/sorted.js
@@ -596,11 +596,19 @@ module.exports = function (db, module) {
 		var query = {_key: key, value: {}};
 
 		if (min !== '-') {
-			query.value = {$gte: min};
+			if (min.match('(')) {
+				query.value = {$gt: parseInt(min, 10)};
+			} else {
+				query.value = {$gte: parseInt(min, 10)};
+			}
 		}
 		if (max !== '+') {
 			query.value = query.value || {};
-			query.value.$lte = max;
+			if (max.match('(')) {
+				query.value = {$lt: parseInt(max, 10)};
+			} else {
+				query.value = {$lte: parseInt(max, 10)};
+			}
 		}
 
 		db.collection('objects').find(query, {_id: 0, value: 1})
@@ -624,11 +632,19 @@ module.exports = function (db, module) {
 		var query = {_key: key};
 
 		if (min !== '-') {
-			query.value = {$gte: min};
+			if (min.match('(')) {
+				query.value = {$gt: parseInt(min, 10)};
+			} else {
+				query.value = {$gte: parseInt(min, 10)};
+			}
 		}
 		if (max !== '+') {
 			query.value = query.value || {};
-			query.value.$lte = max;
+			if (max.match('(')) {
+				query.value = {$lt: parseInt(max, 10)};
+			} else {
+				query.value = {$lte: parseInt(max, 10)};
+			}
 		}
 
 		db.collection('objects').remove(query, function (err) {
diff --git a/src/database/redis/sorted.js b/src/database/redis/sorted.js
index 8cf807d3a4..f8be7b3754 100644
--- a/src/database/redis/sorted.js
+++ b/src/database/redis/sorted.js
@@ -311,20 +311,22 @@ module.exports = function (redisClient, module) {
 	function sortedSetLex(method, reverse, key, min, max, start, count, callback) {
 		if (!callback) callback === start;
 
+		var minmin, maxmax;
 		if (reverse) {
-			if (min !== '+') {
-				min = '(' + min;
-			}
-			if (max !== '-') {
-				max = '[' + max;
-			}
+			minmin = '+';
+			maxmax = '-';
 		} else {
-			if (min !== '-') {
-				min = '[' + min;
-			}
-			if (max !== '+') {
-				max = '(' + max;
-			}
+			minmin = '-';
+			maxmax = '+';
+		}
+
+		if (min !== minmin) {
+			min = '' + min;
+			if (!min.match(/[\[\(]/)) min = '[' + min;
+		}
+		if (max !== maxmax) {
+			max = '' + max;
+			if (!max.match(/[\[\(]/)) max = '[' + max;
 		}
 
 		if (count) {