diff --git a/public/src/ajaxify.js b/public/src/ajaxify.js
index 2e895f380b..bc5a1b8bb5 100644
--- a/public/src/ajaxify.js
+++ b/public/src/ajaxify.js
@@ -67,9 +67,7 @@ $(document).ready(function () {
 			apiXHR.abort();
 		}
 
-		if (!window.location.pathname.match(/\/(403|404)$/g)) {
-			app.previousUrl = window.location.href;
-		}
+		app.previousUrl = window.location.href;
 
 		url = ajaxify.start(url);
 
diff --git a/src/categories/topics.js b/src/categories/topics.js
index 1459bca531..9e477e51ef 100644
--- a/src/categories/topics.js
+++ b/src/categories/topics.js
@@ -28,7 +28,7 @@ module.exports = function (Categories) {
 					topics[i].index = data.start + i;
 				}
 
-				plugins.fireHook('filter:category.topics.get', {topics: topics, uid: data.uid}, next);
+				plugins.fireHook('filter:category.topics.get', {cid: data.cid, topics: topics, uid: data.uid}, next);
 			},
 			function (results, next) {
 				next(null, {topics: results.topics, nextStart: data.stop + 1});
diff --git a/src/topics/tools.js b/src/topics/tools.js
index c69b0692ab..cccffa8c75 100644
--- a/src/topics/tools.js
+++ b/src/topics/tools.js
@@ -272,7 +272,7 @@ module.exports = function (Topics) {
 				db.sortedSetsRemove([
 					'cid:' + topicData.cid + ':tids',
 					'cid:' + topicData.cid + ':tids:pinned',
-					'cid:' + topicData.cid + ':tids:posts'
+					'cid:' + topicData.cid + ':tids:posts'	// post count
 				], tid, next);
 			},
 			function (next) {