diff --git a/packages/backend/src/server/ServerService.ts b/packages/backend/src/server/ServerService.ts
index 2b7e8dac2f..1286b4dad6 100644
--- a/packages/backend/src/server/ServerService.ts
+++ b/packages/backend/src/server/ServerService.ts
@@ -75,7 +75,7 @@ export class ServerService implements OnApplicationShutdown {
 	@bindThis
 	public async launch(): Promise<void> {
 		const fastify = Fastify({
-			trustProxy: this.config.trustProxy ?? undefined,
+			trustProxy: this.config.trustProxy ?? true,
 			logger: false,
 		});
 		this.#fastify = fastify;