diff --git a/apps/backend/src/routes/register/route.ts b/apps/backend/src/routes/register/route.ts
index ef6fd2a..4be7398 100644
--- a/apps/backend/src/routes/register/route.ts
+++ b/apps/backend/src/routes/register/route.ts
@@ -11,6 +11,7 @@ import authInfo from "../../middlewares/authInfo";
 import { or, eq } from "drizzle-orm";
 import { z } from "zod";
 import HonoEnv from "../../types/HonoEnv";
+import { notFound } from "../../errors/DashboardError";
 
 const registerFormSchema = z.object({
     name: z.string().min(1).max(255),
@@ -109,9 +110,7 @@ const respondentsRoute = new Hono<HonoEnv>()
                 .where(eq(rolesSchema.code, "user"))
                 .limit(1);
 
-            if (!role) {
-                throw new HTTPException(500, { message: "Role 'user' not found" });
-            }
+            if (!role) throw notFound();
 
             await trx.insert(rolesToUsers).values({
                 userId: newUser.id,