diff --git a/packages/backend/src/server/web/ClientServerService.ts b/packages/backend/src/server/web/ClientServerService.ts
index deb30e3ce..d5c3ef3b0 100644
--- a/packages/backend/src/server/web/ClientServerService.ts
+++ b/packages/backend/src/server/web/ClientServerService.ts
@@ -478,7 +478,9 @@ export class ClientServerService {
 		};
 
 		// Atom
-		fastify.get<{ Params: { user: string; } }>('/@:user.atom', async (request, reply) => {
+		fastify.get<{ Params: { user?: string; } }>('/@:user.atom', async (request, reply) => {
+			if (request.params.user == null) return await renderBase(reply);
+
 			const feed = await getFeed(request.params.user);
 
 			if (feed) {
@@ -491,7 +493,9 @@ export class ClientServerService {
 		});
 
 		// RSS
-		fastify.get<{ Params: { user: string; } }>('/@:user.rss', async (request, reply) => {
+		fastify.get<{ Params: { user?: string; } }>('/@:user.rss', async (request, reply) => {
+			if (request.params.user == null) return await renderBase(reply);
+
 			const feed = await getFeed(request.params.user);
 
 			if (feed) {
@@ -504,7 +508,9 @@ export class ClientServerService {
 		});
 
 		// JSON
-		fastify.get<{ Params: { user: string; } }>('/@:user.json', async (request, reply) => {
+		fastify.get<{ Params: { user?: string; } }>('/@:user.json', async (request, reply) => {
+			if (request.params.user == null) return await renderBase(reply);
+
 			const feed = await getFeed(request.params.user);
 
 			if (feed) {