diff --git a/package.json b/package.json
index a378f08568..2876f80311 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,8 @@
 {
 	"name": "misskey",
 	"author": "syuilo <i@syuilo.com>",
-	"version": "6.3.0",
-	"clientVersion": "1.0.8483",
+	"version": "6.3.2",
+	"clientVersion": "1.0.8498",
 	"codename": "nighthike",
 	"main": "./built/index.js",
 	"private": true,
diff --git a/src/server/api/private/signup.ts b/src/server/api/private/signup.ts
index 2bf56a9791..79e5e6ec48 100644
--- a/src/server/api/private/signup.ts
+++ b/src/server/api/private/signup.ts
@@ -34,7 +34,7 @@ export default async (ctx: Koa.Context) => {
 
 	const meta = await Meta.findOne({});
 
-	if (meta.disableRegistration) {
+	if (meta && meta.disableRegistration) {
 		if (invitationCode == null || typeof invitationCode != 'string') {
 			ctx.status = 400;
 			return;