diff --git a/apps/server/src/index.ts b/apps/server/src/index.ts
index 2aff6e7a3..3bf36d1b6 100644
--- a/apps/server/src/index.ts
+++ b/apps/server/src/index.ts
@@ -10,6 +10,14 @@ export { createApp } from "./http/app";
 async function main() {
 	await runStartupChecks();
 
+	// Safety net: Node 24 crashes the whole process on an unhandled rejection. One request's
+	// stray promise must not take the server down for everyone, so log and keep serving.
+	// Registered after startup checks so a broken startup still fails loudly. (Left uncaught
+	// exceptions on Node's default crash-and-restart, since process state is unsafe after one.)
+	process.on("unhandledRejection", (reason) => {
+		console.error("[unhandledRejection]", reason);
+	});
+
 	const port =
 		process.env.NODE_ENV === "production" ? Number.parseInt(process.env.PORT ?? "3000", 10) : env.SERVER_PORT;