diff --git a/src/structures/GuildChannel.js b/src/structures/GuildChannel.js
index ab3e6a10c..ad0d8e0d2 100644
--- a/src/structures/GuildChannel.js
+++ b/src/structures/GuildChannel.js
@@ -283,12 +283,13 @@ class GuildChannel extends Channel {
    * kicked after 24 hours if they have not yet received a role
    * @param {number} [options.maxAge=86400] How long the invite should last (in seconds, 0 for forever)
    * @param {number} [options.maxUses=0] Maximum number of uses
+   * @param {boolean} [options.unique=false] Create a unique invite, or use an existing one with similar settings
    * @param {string} [options.reason] Reason for creating this
    * @returns {Promise<Invite>}
    */
-  createInvite({ temporary = false, maxAge = 86400, maxUses = 0, reason } = {}) {
+  createInvite({ temporary = false, maxAge = 86400, maxUses = 0, unique, reason } = {}) {
     return this.client.api.channels[this.id].invites.post({ data: {
-      temporary, max_age: maxAge, max_uses: maxUses,
+      temporary, max_age: maxAge, max_uses: maxUses, unique,
     }, reason })
       .then(invite => new Invite(this.client, invite));
   }