diff --git a/apps/login/src/components/username-form.tsx b/apps/login/src/components/username-form.tsx
index 7d18623aba..887c454333 100644
--- a/apps/login/src/components/username-form.tsx
+++ b/apps/login/src/components/username-form.tsx
@@ -61,11 +61,11 @@ export function UsernameForm({
         setLoading(false);
       });
 
-    if (res?.redirect) {
+    if (res && "redirect" in res && res.redirect) {
       return router.push(res.redirect);
     }
 
-    if (res?.error) {
+    if (res && "error" in res && res.error) {
       setError(res.error);
       return;
     }