diff --git a/backend/src/server/routes/v1/identity-ldap-auth-router.ts b/backend/src/server/routes/v1/identity-ldap-auth-router.ts
index 13710a44d..5d3612bf5 100644
--- a/backend/src/server/routes/v1/identity-ldap-auth-router.ts
+++ b/backend/src/server/routes/v1/identity-ldap-auth-router.ts
@@ -469,8 +469,8 @@ export const registerIdentityLdapAuthRouter = async (server: FastifyZodProvider)
             encryptedBindPass: true,
             encryptedLdapCaCertificate: true
           }).extend({
-            bindDN: z.string().optional(),
-            bindPass: z.string().optional(),
+            bindDN: z.string(),
+            bindPass: z.string(),
             ldapCaCertificate: z.string().optional(),
             templateId: z.string().optional().nullable()
           })