diff --git a/packages/backend/src/server/api/mastodon/endpoints/account.ts b/packages/backend/src/server/api/mastodon/endpoints/account.ts
index b479d5a48d..21bb4a6fbb 100644
--- a/packages/backend/src/server/api/mastodon/endpoints/account.ts
+++ b/packages/backend/src/server/api/mastodon/endpoints/account.ts
@@ -3,7 +3,7 @@ import { resolveUser } from "@/remote/resolve-user.js";
 import Router from "@koa/router";
 import { FindOptionsWhere, IsNull } from "typeorm";
 import { getClient } from "../ApiMastodonCompatibleService.js";
-import { limitToInt } from "./timeline.js";
+import { argsToBools, limitToInt } from "./timeline.js";
 
 const relationshopModel = {
 	id: "",
@@ -118,7 +118,7 @@ export function apiAccountMastodon(router: Router): void {
 			try {
 				const data = await client.getAccountStatuses(
 					ctx.params.id,
-					limitToInt(ctx.query as any),
+					argsToBools(limitToInt(ctx.query as any)),
 				);
 				ctx.body = data.data;
 			} catch (e: any) {
diff --git a/packages/backend/src/server/api/mastodon/endpoints/timeline.ts b/packages/backend/src/server/api/mastodon/endpoints/timeline.ts
index f90c275445..04a15e65df 100644
--- a/packages/backend/src/server/api/mastodon/endpoints/timeline.ts
+++ b/packages/backend/src/server/api/mastodon/endpoints/timeline.ts
@@ -12,6 +12,15 @@ export function limitToInt(q: ParsedUrlQuery) {
 	return q;
 }
 
+export function argsToBools(q: ParsedUrlQuery) {
+	let object: any = q;
+	if (q.only_media)
+		if (typeof q.only_media === "string") object.only_media = q.only_media.toLowerCase() === "true";
+	if (q.exclude_replies)
+		if (typeof q.exclude_replies === "string") object.exclude_replies = q.exclude_replies.toLowerCase() === "true";
+	return q;
+}
+
 export function toTextWithReaction(status: Entity.Status[], host: string) {
 	return status.map((t) => {
 		if (!t) return statusModel(null, null, [], "no content");
diff --git a/packages/backend/src/server/index.ts b/packages/backend/src/server/index.ts
index aef0d100ff..73cf58ec27 100644
--- a/packages/backend/src/server/index.ts
+++ b/packages/backend/src/server/index.ts
@@ -30,59 +30,9 @@ import proxyServer from "./proxy/index.js";
 import webServer from "./web/index.js";
 import { initializeStreamingServer } from "./api/streaming.js";
 import { koaBody } from "koa-body";
-import { ParsedUrlQuery } from "node:querystring";
 
 export const serverLogger = new Logger("server", "gray", false);
 
-const stringToBoolean = (stringValue: string) => {
-	switch(stringValue?.toLowerCase()?.trim()){
-			case "true": 
-			case "yes": 
-			case "1": 
-				return true;
-
-			case "false": 
-			case "no": 
-			case "0": 
-			case null: 
-			case undefined:
-				return false;
-
-			default: 
-				return JSON.parse(stringValue);
-	}
-}
-
-const objectParser = (object: Object): Object => {
-	const newObject: any = {};
-
-	for (const key in object) {
-		const value = object[key];
-
-		if (typeof value === "object") {
-			newObject[key] = objectParser(value);
-		} else if (typeof value === "string") {
-			newObject[key] = stringToBoolean(value);
-		}
-	}
-
-	return newObject;
-};
-
-const queryParser = (object: ParsedUrlQuery): ParsedUrlQuery => {
-	const newObject = object;
-
-	for (const key in object) {
-		const value = object[key];
-
-		if (typeof value === "string") {
-			newObject[key] = stringToBoolean(value);
-		}
-	}
-
-	return newObject;
-};
-
 // Init app
 const app = new Koa();
 app.proxy = true;
@@ -130,7 +80,6 @@ mastoRouter.use(
 
 mastoRouter.use(async (ctx, next) => {
 	if (ctx.request.query) {
-		ctx.request.query = queryParser(ctx.request.query)
 		if (!ctx.request.body || Object.keys(ctx.request.body).length === 0) {
 			ctx.request.body = ctx.request.query
 		} else {