diff --git a/src/topics/fork.js b/src/topics/fork.js
index 3f5648221b..71afe73c64 100644
--- a/src/topics/fork.js
+++ b/src/topics/fork.js
@@ -39,7 +39,18 @@ module.exports = function (Topics) {
 		if (!isAdminOrMod) {
 			throw new Error('[[error:no-privileges]]');
 		}
-		const tid = await Topics.create({ uid: postData.uid, title: title, cid: cid });
+
+		const params = {
+			uid: postData.uid,
+			title: title,
+			cid: cid,
+		};
+		const result = await plugins.hooks.fire('filter:topic.fork', {
+			params: params,
+			tid: postData.tid,
+		});
+
+		const tid = await Topics.create(result.params);
 		await Topics.updateTopicBookmarks(fromTid, pids);
 
 		await async.eachSeries(pids, async function (pid) {
diff --git a/src/topics/merge.js b/src/topics/merge.js
index 2688ef69fc..867c2a63e9 100644
--- a/src/topics/merge.js
+++ b/src/topics/merge.js
@@ -45,11 +45,16 @@ module.exports = function (Topics) {
 
 	async function createNewTopic(title, oldestTid) {
 		const topicData = await Topics.getTopicFields(oldestTid, ['uid', 'cid']);
-		const tid = await Topics.create({
+		const params = {
 			uid: topicData.uid,
 			cid: topicData.cid,
 			title: title,
+		};
+		const result = await plugins.hooks.fire('filter:topic.mergeCreateNewTopic', {
+			oldestTid: oldestTid,
+			params: params,
 		});
+		const tid = await Topics.create(result.params);
 		return tid;
 	}