diff --git a/packages/backend/src/core/HttpRequestService.ts b/packages/backend/src/core/HttpRequestService.ts
index 083153940a65..0a23202381d9 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(() => {
@@ -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 ae6ad1b9dc29..562092ea076d 100644
--- a/packages/backend/src/server/api/endpoints/fetch-rss.ts
+++ b/packages/backend/src/server/api/endpoints/fetch-rss.ts
@@ -220,7 +220,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private httpRequestService: HttpRequestService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const res = await this.httpRequestService.send(decodeURIComponent(ps.url), {
+			const res = await this.httpRequestService.send(ps.url, {
 				method: 'GET',
 				headers: {
 					Accept: 'application/rss+xml, */*',