diff --git a/modules/identity/src/Volo.Abp.Identity.Application/Volo/Abp/Identity/IdentityUserAppService.cs b/modules/identity/src/Volo.Abp.Identity.Application/Volo/Abp/Identity/IdentityUserAppService.cs
index 814d32fd19..251b429d33 100644
--- a/modules/identity/src/Volo.Abp.Identity.Application/Volo/Abp/Identity/IdentityUserAppService.cs
+++ b/modules/identity/src/Volo.Abp.Identity.Application/Volo/Abp/Identity/IdentityUserAppService.cs
@@ -80,7 +80,7 @@ namespace Volo.Abp.Identity
         [Authorize(IdentityPermissions.Users.Delete)]
         public async Task DeleteAsync(Guid id)
         {
-            if (CurrentUser.Id.Value == id)
+            if (CurrentUser.Id == id)
             {
                 throw new BusinessException(code: IdentityErrorCodes.UserSelfDeletion);
             }