diff --git a/apps/blogai/app/[locale]/auth/sign-up/mix-signup.tsx b/apps/blogai/app/[locale]/auth/sign-up/mix-signup.tsx
index 730743d..6bb4488 100644
--- a/apps/blogai/app/[locale]/auth/sign-up/mix-signup.tsx
+++ b/apps/blogai/app/[locale]/auth/sign-up/mix-signup.tsx
@@ -149,7 +149,7 @@ export function MixSignUp(props: {
           }      
 
           if (
-            typeof referreredit !== "string"
+            typeof refer !== "string"
           ) {
             return null;
           }