diff --git a/src/categories/delete.js b/src/categories/delete.js
index f2452ce893..ea3b567085 100644
--- a/src/categories/delete.js
+++ b/src/categories/delete.js
@@ -25,7 +25,7 @@ module.exports = function(Categories) {
 	};
 
 	function purgeCategory(cid, callback) {
-		async.parallel([
+		async.series([
 			function(next) {
 				db.sortedSetRemove('categories:cid', cid, next);
 			},