diff --git a/server/api/v1/auth/signup/simple.post.ts b/server/api/v1/auth/signup/simple.post.ts
index a9438e8..e4e4418 100644
--- a/server/api/v1/auth/signup/simple.post.ts
+++ b/server/api/v1/auth/signup/simple.post.ts
@@ -100,7 +100,7 @@ export default defineEventHandler(async (h3) => {
       displayName,
       email,
       profilePicture: profilePictureId,
-      admin: true,
+      admin: invitation.isAdmin,
     },
   });