diff --git a/src/client/src/orangehrmPimPlugin/pages/employee/EmployeePersonalDetails.vue b/src/client/src/orangehrmPimPlugin/pages/employee/EmployeePersonalDetails.vue
index 6886c91..702297b 100644
--- a/src/client/src/orangehrmPimPlugin/pages/employee/EmployeePersonalDetails.vue
+++ b/src/client/src/orangehrmPimPlugin/pages/employee/EmployeePersonalDetails.vue
@@ -339,9 +339,9 @@ export default {
         .request({
           method: 'PUT',
           data: {
-            lastName: this.employee.lastName === ''
-              ? 'a'
-              : 'b',
+            lastName: this.employee.lastName.length > 0
+              ? this.employee.lastName
+              : ' ',
             firstName: this.employee.firstName,
             middleName: this.employee.middleName,
             employeeId: this.employee.employeeId,