diff --git a/src/api/posts.ts b/src/api/posts.ts
index bc4766c..02bdf2d 100644
--- a/src/api/posts.ts
+++ b/src/api/posts.ts
@@ -117,6 +117,7 @@ export interface PostData {
   content: string;
   in_reply_to_id: string | null;
   visibility: string;
+  mentions: string[];
 }
 
 export async function createPost(
@@ -131,6 +132,7 @@ export async function createPost(
     "media_ids[]": attachment ? [attachment.id] : null,
     in_reply_to_id: postData.in_reply_to_id,
     visibility: postData.visibility,
+    mentions: postData.mentions,
   }
   const response = await http(url, {
     method: "POST",
diff --git a/src/components/PostEditor.vue b/src/components/PostEditor.vue
index ca6c143..279794f 100644
--- a/src/components/PostEditor.vue
+++ b/src/components/PostEditor.vue
@@ -122,8 +122,9 @@ export default class PostEditor extends Vue {
   inReplyTo: Post | null = null
 
   content = ""
-  visibility = "public"
   attachment: Attachment | null = null
+  visibility = "public"
+  mentions: string[] = []
 
   visibilityMenuVisible = false
   errorMessage: string | null = null
@@ -183,6 +184,7 @@ export default class PostEditor extends Vue {
       content,
       in_reply_to_id: this.inReplyTo ? this.inReplyTo.id : null,
       visibility: this.visibility,
+      mentions: this.mentions,
     }
     let post
     try {