diff --git a/packages/backend/src/server/api/mastodon/endpoints/list.ts b/packages/backend/src/server/api/mastodon/endpoints/list.ts
index e56e67846..c247e7416 100644
--- a/packages/backend/src/server/api/mastodon/endpoints/list.ts
+++ b/packages/backend/src/server/api/mastodon/endpoints/list.ts
@@ -53,17 +53,28 @@ export function setupEndpointsList(router: Router): void {
         },
     );
     router.post("/v1/lists", async (ctx, reply) => {
-        const BASE_URL = `${ctx.protocol}://${ctx.hostname}`;
-        const accessTokens = ctx.headers.authorization;
-        const client = getClient(BASE_URL, accessTokens);
         try {
-            const data = await client.createList((ctx.request.body as any).title);
-            ctx.body = convertList(data.data);
+            const auth = await authenticate(ctx.headers.authorization, null);
+            const user = auth[0] ?? undefined;
+
+            if (!user) {
+                ctx.status = 401;
+                return;
+            }
+
+            const body = ctx.request.body as any;
+            const title = (body.title ?? '').trim();
+            if (title.length < 1) {
+                ctx.body = { error: "Title must not be empty" };
+                ctx.status = 400;
+                return
+            }
+
+            ctx.body = await ListHelpers.createList(user, title)
+                .then(p => convertList(p));
         } catch (e: any) {
-            console.error(e);
-            console.error(e.response.data);
-            ctx.status = 401;
-            ctx.body = e.response.data;
+            ctx.status = 400;
+            ctx.body = { error: e.message };
         }
     });
     router.put<{ Params: { id: string } }>(
diff --git a/packages/backend/src/server/api/mastodon/helpers/list.ts b/packages/backend/src/server/api/mastodon/helpers/list.ts
index 85cdb9339..8c53e28dc 100644
--- a/packages/backend/src/server/api/mastodon/helpers/list.ts
+++ b/packages/backend/src/server/api/mastodon/helpers/list.ts
@@ -4,6 +4,7 @@ import { LinkPaginationObject } from "@/server/api/mastodon/helpers/user.js";
 import { PaginationHelpers } from "@/server/api/mastodon/helpers/pagination.js";
 import { UserList } from "@/models/entities/user-list.js";
 import { pushUserToUserList } from "@/services/user-list/push.js";
+import { genId } from "@/misc/gen-id.js";
 
 export class ListHelpers {
     public static async getLists(user: ILocalUser): Promise<MastodonEntity.List[]> {
@@ -79,4 +80,18 @@ export class ListHelpers {
             await pushUserToUserList(user, list);
         }
     }
+
+    public static async createList(user: ILocalUser, title: string): Promise<MastodonEntity.List> {
+        const list = await UserLists.insert({
+            id: genId(),
+            createdAt: new Date(),
+            userId: user.id,
+            name: title,
+        }).then(async res => await UserLists.findOneByOrFail(res.identifiers[0]));
+
+        return {
+            id: list.id,
+            title: list.name
+        };
+    }
 }