diff --git a/src/categories/create.js b/src/categories/create.js
index 24c0927d2f..68cf6638b8 100644
--- a/src/categories/create.js
+++ b/src/categories/create.js
@@ -2,6 +2,7 @@
 
 var async = require('async'),
 	db = require('../database'),
+	privileges = require('../privileges'),
 	utils = require('../../public/src/utils');
 
 module.exports = function(Categories) {
@@ -33,9 +34,13 @@ module.exports = function(Categories) {
 				imageClass: 'auto'
 			};
 
+			var defaultPrivileges = ['find', 'read', 'topics:create', 'topics:reply'];
+
 			async.series([
 				async.apply(db.setObject, 'category:' + cid, category),
-				async.apply(db.sortedSetAdd, 'categories:cid', data.order, cid)
+				async.apply(db.sortedSetAdd, 'categories:cid', data.order, cid),
+				async.apply(privileges.categories.give, defaultPrivileges, cid, 'administrators'),
+				async.apply(privileges.categories.give, defaultPrivileges, cid, 'registered-users')
 			], function(err) {
 				if (err) {
 					return callback(err);
diff --git a/src/install.js b/src/install.js
index 328750963d..5c00f41c84 100644
--- a/src/install.js
+++ b/src/install.js
@@ -398,34 +398,6 @@ function createCategories(next) {
 	});
 }
 
-function setupPrivileges(next) {
-	function givePrivileges(privileges, cid, groupName, next) {
-		async.each(privileges, function(privilege, next) {
-			Groups.join('cid:' + cid + ':privileges:groups:' + privilege, groupName, next);
-		}, next);
-	}
-
-	var Groups = require('./groups');
-	var db = require('./database');
-
-	db.getSortedSetRange('categories:cid', 0, -1, function(err, cids) {
-		if (err) {
-			return next(err);
-		}
-
-		async.each(cids, function(cid, next) {
-			async.parallel([
-				function(next) {
-					givePrivileges(['find', 'read', 'topics:create', 'topics:reply'], cid, 'administrators', next);
-				},
-				function(next) {
-					givePrivileges(['find', 'read', 'topics:create', 'topics:reply'], cid, 'registered-users', next);
-				}
-			], next);
-		}, next);
-	});
-}
-
 function createWelcomePost(next) {
 	var db = require('./database'),
 		Topics = require('./topics');
@@ -478,7 +450,6 @@ install.setup = function (callback) {
 		enableDefaultTheme,
 		createAdministrator,
 		createCategories,
-		setupPrivileges,
 		createWelcomePost,
 		enableDefaultPlugins,
 		setCopyrightWidget,
diff --git a/src/privileges/categories.js b/src/privileges/categories.js
index 309404ac11..94b09ad599 100644
--- a/src/privileges/categories.js
+++ b/src/privileges/categories.js
@@ -135,6 +135,12 @@ module.exports = function(privileges) {
 		});
 	};
 
+	privileges.categories.give = function(privileges, cid, groupName, callback) {
+		async.each(privileges, function(privilege, next) {
+			groups.join('cid:' + cid + ':privileges:groups:' + privilege, groupName, next);
+		}, callback);
+	};
+
 	privileges.categories.isAdminOrMod = function(cids, uid, callback) {
 		async.parallel({
 			isModerators: function(next) {