diff --git a/modules/identity/src/Volo.Abp.Identity.Application/Volo/Abp/Identity/IdentityRoleAppService.cs b/modules/identity/src/Volo.Abp.Identity.Application/Volo/Abp/Identity/IdentityRoleAppService.cs
index c63a3e2490..070f55901e 100644
--- a/modules/identity/src/Volo.Abp.Identity.Application/Volo/Abp/Identity/IdentityRoleAppService.cs
+++ b/modules/identity/src/Volo.Abp.Identity.Application/Volo/Abp/Identity/IdentityRoleAppService.cs
@@ -39,11 +39,6 @@ namespace Volo.Abp.Identity
 
         public virtual async Task<PagedResultDto<IdentityRoleDto>> GetListAsync(GetIdentityRolesInput input)
         {
-            if (input.Sorting.IsNullOrWhiteSpace())
-            {
-                input.Sorting = nameof(IdentityRole.Name);
-            }
-            
             var list = await RoleRepository.GetListAsync(input.Sorting, input.MaxResultCount, input.SkipCount, input.Filter);
             var totalCount = await RoleRepository.GetCountAsync(input.Filter);
 
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 83734be8e5..69fae63d71 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
@@ -40,11 +40,6 @@ namespace Volo.Abp.Identity
         [Authorize(IdentityPermissions.Users.Default)]
         public virtual async Task<PagedResultDto<IdentityUserDto>> GetListAsync(GetIdentityUsersInput input)
         {
-            if (input.Sorting.IsNullOrWhiteSpace())
-            {
-                input.Sorting = nameof(IdentityUser.Name);
-            }
-
             var count = await UserRepository.GetCountAsync(input.Filter);
             var list = await UserRepository.GetListAsync(input.Sorting, input.MaxResultCount, input.SkipCount, input.Filter);
 
diff --git a/modules/identity/src/Volo.Abp.Identity.EntityFrameworkCore/Volo/Abp/Identity/EntityFrameworkCore/EfCoreIdentityRoleRepository.cs b/modules/identity/src/Volo.Abp.Identity.EntityFrameworkCore/Volo/Abp/Identity/EntityFrameworkCore/EfCoreIdentityRoleRepository.cs
index aed6ed2232..558744132e 100644
--- a/modules/identity/src/Volo.Abp.Identity.EntityFrameworkCore/Volo/Abp/Identity/EntityFrameworkCore/EfCoreIdentityRoleRepository.cs
+++ b/modules/identity/src/Volo.Abp.Identity.EntityFrameworkCore/Volo/Abp/Identity/EntityFrameworkCore/EfCoreIdentityRoleRepository.cs
@@ -41,7 +41,7 @@ namespace Volo.Abp.Identity.EntityFrameworkCore
                 .WhereIf(!filter.IsNullOrWhiteSpace(),
                         x => x.Name.Contains(filter) ||
                         x.NormalizedName.Contains(filter))
-                .OrderBy(sorting ?? nameof(IdentityRole.Name))
+                .OrderBy(sorting.IsNullOrWhiteSpace() ? nameof(IdentityRole.Name) : sorting)
                 .PageBy(skipCount, maxResultCount)
                 .ToListAsync(GetCancellationToken(cancellationToken));
         }
diff --git a/modules/identity/src/Volo.Abp.Identity.EntityFrameworkCore/Volo/Abp/Identity/EntityFrameworkCore/EfCoreIdentityUserRepository.cs b/modules/identity/src/Volo.Abp.Identity.EntityFrameworkCore/Volo/Abp/Identity/EntityFrameworkCore/EfCoreIdentityUserRepository.cs
index 57b625a816..dfed75c804 100644
--- a/modules/identity/src/Volo.Abp.Identity.EntityFrameworkCore/Volo/Abp/Identity/EntityFrameworkCore/EfCoreIdentityUserRepository.cs
+++ b/modules/identity/src/Volo.Abp.Identity.EntityFrameworkCore/Volo/Abp/Identity/EntityFrameworkCore/EfCoreIdentityUserRepository.cs
@@ -149,7 +149,7 @@ namespace Volo.Abp.Identity.EntityFrameworkCore
                         (u.Surname != null && u.Surname.Contains(filter)) ||
                         (u.PhoneNumber != null && u.PhoneNumber.Contains(filter))
                 )
-                .OrderBy(sorting ?? nameof(IdentityUser.UserName))
+                .OrderBy(sorting.IsNullOrWhiteSpace() ? nameof(IdentityUser.UserName) : sorting)
                 .PageBy(skipCount, maxResultCount)
                 .ToListAsync(GetCancellationToken(cancellationToken));
         }