diff --git a/src/managers/ThreadManager.js b/src/managers/ThreadManager.js
index 67a4b0a8d7f6..300041d0868e 100644
--- a/src/managers/ThreadManager.js
+++ b/src/managers/ThreadManager.js
@@ -97,7 +97,14 @@ class ThreadManager extends CachedManager {
    *   .then(threadChannel => console.log(threadChannel))
    *   .catch(console.error);
    */
-  async create({ name, autoArchiveDuration, startMessage, type, invitable, reason } = {}) {
+  async create({
+    name,
+    autoArchiveDuration = this.channel.defaultAutoArchiveDuration,
+    startMessage,
+    type,
+    invitable,
+    reason,
+  } = {}) {
     let path = this.client.api.channels(this.channel.id);
     if (type && typeof type !== 'string' && typeof type !== 'number') {
       throw new TypeError('INVALID_TYPE', 'type', 'ThreadChannelType or Number');
diff --git a/src/structures/Message.js b/src/structures/Message.js
index e47d94480291..7d53e259ec20 100644
--- a/src/structures/Message.js
+++ b/src/structures/Message.js
@@ -791,8 +791,8 @@ class Message extends Base {
    * Options for starting a thread on a message.
    * @typedef {Object} StartThreadOptions
    * @property {string} name The name of the new thread
-   * @property {ThreadAutoArchiveDuration} [autoArchiveDuration] The amount of time (in minutes) after which the thread
-   * should automatically archive in case of no recent activity
+   * @property {ThreadAutoArchiveDuration} [autoArchiveDuration=this.channel.defaultAutoArchiveDuration] The amount of
+   * time (in minutes) after which the thread should automatically archive in case of no recent activity
    * @property {string} [reason] Reason for creating the thread
    */