diff --git a/packages/backend/src/core/HttpRequestService.ts b/packages/backend/src/core/HttpRequestService.ts
index 083153940a..7e52b80cb0 100644
--- a/packages/backend/src/core/HttpRequestService.ts
+++ b/packages/backend/src/core/HttpRequestService.ts
@@ -283,6 +283,7 @@ export class HttpRequestService {
 		},
 	): Promise<Response> {
 		const timeout = args.timeout ?? 5000;
+		const decodedUrl = decodeURIComponent(url);
 
 		const controller = new AbortController();
 		setTimeout(() => {
@@ -291,7 +292,7 @@ export class HttpRequestService {
 
 		const isLocalAddressAllowed = args.isLocalAddressAllowed ?? false;
 
-		const res = await fetch(url, {
+		const res = await fetch(decodedUrl, {
 			method: args.method ?? 'GET',
 			headers: {
 				'User-Agent': this.config.userAgent,
@@ -299,7 +300,7 @@ export class HttpRequestService {
 			},
 			body: args.body,
 			size: args.size ?? 10 * 1024 * 1024,
-			agent: (url) => this.getAgentByUrl(url, false, isLocalAddressAllowed),
+			agent: (decodedUrl) => this.getAgentByUrl(decodedUrl, false, isLocalAddressAllowed),
 			signal: controller.signal,
 		});
 
diff --git a/packages/backend/src/server/api/endpoints/fetch-rss.ts b/packages/backend/src/server/api/endpoints/fetch-rss.ts
index ba48b0119e..562092ea07 100644
--- a/packages/backend/src/server/api/endpoints/fetch-rss.ts
+++ b/packages/backend/src/server/api/endpoints/fetch-rss.ts
@@ -7,6 +7,7 @@ import Parser from 'rss-parser';
 import { Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { HttpRequestService } from '@/core/HttpRequestService.js';
+import { URL } from 'url';
 
 const rssParser = new Parser();