diff --git a/src/app/mii/[slug]/page.tsx b/src/app/mii/[slug]/page.tsx
index 2fefbb5..d2b5e9c 100644
--- a/src/app/mii/[slug]/page.tsx
+++ b/src/app/mii/[slug]/page.tsx
@@ -1,4 +1,5 @@
 import Link from "next/link";
+import { redirect } from "next/navigation";
 
 import { auth } from "@/lib/auth";
 import { prisma } from "@/lib/prisma";
@@ -37,6 +38,8 @@ export default async function MiiPage({ params }: Props) {
 		},
 	});
 
+	if (!mii) redirect("/404");
+
 	return (
 		<div className="flex gap-2 max-sm:flex-col">
 			<Carousel images={mii?.images && mii?.images.length > 0 ? mii?.images : ["/missing.webp"]} className="shadow-lg" />
diff --git a/src/app/profile/[slug]/page.tsx b/src/app/profile/[slug]/page.tsx
index 0a354d9..e024d48 100644
--- a/src/app/profile/[slug]/page.tsx
+++ b/src/app/profile/[slug]/page.tsx
@@ -1,6 +1,7 @@
 import Image from "next/image";
-import { prisma } from "@/lib/prisma";
+import { redirect } from "next/navigation";
 
+import { prisma } from "@/lib/prisma";
 import MiiList from "@/app/components/mii-list";
 
 interface Props {
@@ -19,6 +20,8 @@ export default async function ProfilePage({ params, searchParams }: Props) {
 
 	const likedMiis = await prisma.like.count({ where: { userId: Number(slug) } });
 
+	if (!user) redirect("/404");
+
 	return (
 		<div>
 			<div className="flex gap-4 mb-2">