diff --git a/frontend/pages/signin.vue b/frontend/pages/signin.vue
index 1615c96..e21884e 100644
--- a/frontend/pages/signin.vue
+++ b/frontend/pages/signin.vue
@@ -179,7 +179,7 @@ const resetForm = () => {
                 <form @submit.prevent class="max-w-[500px] w-full mt-12">
                     <Input
                         v-if="!showOtp"
-                        class="w-full tracking-[4px]"
+                        class="w-full tracking-[3px] persian-number"
                         v-model="loginInfo.phone"
                         placeholder="۹۳۸۰۱۲۳۴۵۶"
                         dir="ltr"