diff --git a/middleware/require-user.global.ts b/middleware/require-user.global.ts
index dbe218c..55532e0 100644
--- a/middleware/require-user.global.ts
+++ b/middleware/require-user.global.ts
@@ -1,4 +1,9 @@
-const whitelistedPrefixes = ["/auth/signin", "/register", "/api", "/setup"];
+const whitelistedPrefixes = [
+  "/auth/signin",
+  "/auth/register",
+  "/api",
+  "/setup",
+];
 const requireAdmin = ["/admin"];
 
 export default defineNuxtRouteMiddleware(async (to, from) => {
diff --git a/pages/auth/register.vue b/pages/auth/register.vue
index 5574ab4..1316535 100644
--- a/pages/auth/register.vue
+++ b/pages/auth/register.vue
@@ -214,7 +214,7 @@ const validEmail = computed(
   () => !(emailValidator(email.value) instanceof type.errors)
 );
 
-const usernameValidator = type("string.lower.preformatted >= 5");
+const usernameValidator = type("string.alphanumeric >= 5").to("string.lower");
 const validUsername = computed(
   () => !(usernameValidator(username.value) instanceof type.errors)
 );