diff --git a/src/partials/management/AddOrganization.tsx b/src/partials/management/AddOrganization.tsx
index 3f036d2..2a6daa4 100644
--- a/src/partials/management/AddOrganization.tsx
+++ b/src/partials/management/AddOrganization.tsx
@@ -8,7 +8,6 @@ import {
   zValidateNumber,
   zValidateNumberOptional,
   zValidateString,
-  zValidateStringOptional,
 } from "../../data/getFormTypeErrors";
 import { z } from "zod";
 import { useApiMutation } from "../../utils/useApiRequest";
@@ -31,7 +30,7 @@ const schema = z.object({
   city: zValidateNumber("شهر"),
   organization: zValidateNumberOptional("سازمان"),
   organizationType: zValidateNumber("سازمان"),
-  unique_unit_identity: zValidateStringOptional("شناسه یکتا واحد"),
+  unique_unit_identity: zValidateNumberOptional("شناسه یکتا واحد"),
   is_repeatable: z.boolean(),
   free_visibility_by_scope: z.boolean(),
 });