diff --git a/src/app/api/register/route.ts b/src/app/api/register/route.ts
index 1bb5b01..ea49f13 100644
--- a/src/app/api/register/route.ts
+++ b/src/app/api/register/route.ts
@@ -74,7 +74,7 @@ export async function POST(request: Request) {
     );
   }
 
-  let avatarBuf: Buffer | undefined;
+  let avatarBuf: Buffer | null | undefined;
 
   if (avatarBase64 !== null && typeof avatarBase64 === "string") {
     avatarBuf = Buffer.from(avatarBase64, "base64");
@@ -112,7 +112,7 @@ export async function POST(request: Request) {
     }
   }
 
-  await ldap.createUser(username, displayName, email, avatarBuf);
+  await ldap.createUser(username, displayName, email, avatarBuf ?? undefined);
   await ldap.setPassword(username, password);
 
   const outputUser = await prisma.user.update({
diff --git a/src/app/api/update/route.ts b/src/app/api/update/route.ts
index 1d984b5..5fe0868 100644
--- a/src/app/api/update/route.ts
+++ b/src/app/api/update/route.ts
@@ -5,7 +5,7 @@ import { getLogger } from "@/logger";
 type RequestBody = {
   displayName?: string;
   email?: string;
-  avatarBase64?: string;
+  avatar?: string;
 };
 
 export async function POST(request: Request) {
@@ -20,8 +20,11 @@ export async function POST(request: Request) {
     return new Response(null, { status: 409 });
   }
 
-  const { displayName, email, avatarBase64 } =
-    (await request.json()) as RequestBody;
+  const {
+    displayName,
+    email,
+    avatar: avatarBase64
+  } = (await request.json()) as RequestBody;
 
   let changeDisplayName = false;
   if (
@@ -77,7 +80,7 @@ export async function POST(request: Request) {
       username: user.username,
       displayName: changeDisplayName ? displayName : null,
       email: changeEmail ? email : null,
-      avatar: avatarBuf ? avatarBuf.toString("base64") : null
+      avatar: avatarBuf ? `${avatarBuf.length} bytes` : null
     },
     "updated user"
   );
diff --git a/src/app/oauth/discord/oauth.ts b/src/app/oauth/discord/oauth.ts
index d8e10e3..ea8ef3d 100644
--- a/src/app/oauth/discord/oauth.ts
+++ b/src/app/oauth/discord/oauth.ts
@@ -10,7 +10,7 @@ export type DiscordAccessTokenResponse = {
 
 export type DiscordUserResponse = {
   id: string;
-  avatar: string;
+  avatar: string | null;
 };
 
 export type DiscordGuildResponse = {
@@ -49,6 +49,7 @@ export async function getDiscordAvatar(token: string) {
   });
 
   const res: DiscordUserResponse = await req.json();
+  if (res.avatar === null) return null;
   const file = `https://cdn.discordapp.com/avatars/${res.id}/${res.avatar}.png`;
 
   const avatarReq = await fetch(file);