diff --git a/packages/backend/src/server/api/mastodon/endpoints/status.ts b/packages/backend/src/server/api/mastodon/endpoints/status.ts
index 7da2a2d7b0..b2c6f97815 100644
--- a/packages/backend/src/server/api/mastodon/endpoints/status.ts
+++ b/packages/backend/src/server/api/mastodon/endpoints/status.ts
@@ -295,21 +295,18 @@ export function apiStatusMastodon(router: Router): void {
 			}
 		},
 	);
-	router.post("/v1/media", async (ctx) => {
+	router.post("/v1/media", upload.single("file"), async (ctx) => {
 		const BASE_URL = `${ctx.protocol}://${ctx.hostname}`;
 		const accessTokens = ctx.headers.authorization;
 		const client = getClient(BASE_URL, accessTokens);
 		try {
-			let multipartData = await ctx.request.files;
+			let multipartData = await ctx.request.file;
 			if (!multipartData) {
 				ctx.body = { error: "No image" };
 				ctx.status = 401;
 				return;
 			}
-			if ((multipartData as any).file) {
-				multipartData = (multipartData as any).file;
-			}
-			const image = fs.readFileSync((multipartData as any).path);
+			const image = fs.readFileSync((multipartData).path);
 			const data = await client.uploadMedia(image);
 			ctx.body = data.data;
 		} catch (e: any) {
@@ -318,20 +315,18 @@ export function apiStatusMastodon(router: Router): void {
 			ctx.body = e.response.data;
 		}
 	});
-	router.post("/v2/media", async (ctx) => {
+	router.post("/v2/media", upload.single("file"), async (ctx) => {
 		const BASE_URL = `${ctx.protocol}://${ctx.hostname}`;
 		const accessTokens = ctx.headers.authorization;
 		const client = getClient(BASE_URL, accessTokens);
 		try {
-			const multipartData = await ctx.file;
+			let multipartData = await ctx.request.file;
 			if (!multipartData) {
 				ctx.body = { error: "No image" };
 				ctx.status = 401;
 				return;
 			}
-			const [path] = await createTemp();
-			await pump(multipartData.buffer, fs.createWriteStream(path));
-			const image = fs.readFileSync(path);
+			const image = fs.readFileSync((multipartData).path);
 			const data = await client.uploadMedia(image);
 			ctx.body = data.data;
 		} catch (e: any) {
@@ -340,6 +335,7 @@ export function apiStatusMastodon(router: Router): void {
 			ctx.body = e.response.data;
 		}
 	});
+	});
 	router.get<{ Params: { id: string } }>(
 		"/v1/media/:id",
 		async (ctx) => {