diff --git a/src/pages/ClientsPage/modals/ClientFormModal/ClientFormModal.tsx b/src/pages/ClientsPage/modals/ClientFormModal/ClientFormModal.tsx
index 9843226..15c7f11 100644
--- a/src/pages/ClientsPage/modals/ClientFormModal/ClientFormModal.tsx
+++ b/src/pages/ClientsPage/modals/ClientFormModal/ClientFormModal.tsx
@@ -42,7 +42,7 @@ const ClientFormModal = ({
                 address: (address: string | undefined | null) => (address && address.trim() !== '') ? null : "Необходимо ввести адрес",
                 phoneNumber: (phoneNumber: string | undefined | null) => (phoneNumber && phoneNumber.trim() !== '') ? null : "Необходимо ввести номер телефона",
                 email: (email: string | undefined | null) => (email && email.trim() !== '') ? null : "Необходимо ввести почту",
-                inn: (inn: number | undefined | null) => (inn && getDigitsCount(inn) >= 10) ? null : "ИНН должен содержать не менее 10 цифр",
+                inn: (inn: string | undefined | null) => (inn && getDigitsCount(parseInt(inn)) >= 10) ? null : "ИНН должен содержать не менее 10 цифр",
             }
         }
     })