diff --git a/Core.Thalos.BuildingBlocks/Common/Constants/Claims.cs b/Core.Thalos.BuildingBlocks/Common/Constants/Claims.cs
index 5988595..5bd3e65 100644
--- a/Core.Thalos.BuildingBlocks/Common/Constants/Claims.cs
+++ b/Core.Thalos.BuildingBlocks/Common/Constants/Claims.cs
@@ -23,7 +23,7 @@ namespace Core.Thalos.BuildingBlocks
         /// <summary>
         /// Claim name for user's ID.
         /// </summary>
-        public const string Id = "id";
+        public const string Id = "_id";
 
         /// <summary>
         /// Claim name for user's tenant name.
diff --git a/Core.Thalos.BuildingBlocks/Services/TokenService.cs b/Core.Thalos.BuildingBlocks/Services/TokenService.cs
index e8d3468..84d537b 100644
--- a/Core.Thalos.BuildingBlocks/Services/TokenService.cs
+++ b/Core.Thalos.BuildingBlocks/Services/TokenService.cs
@@ -87,7 +87,7 @@ namespace Core.Thalos.BuildingBlocks
                 {
 
                     new Claim(Claims.Name, adapter?.User?.DisplayName ?? string.Empty),
-                    new Claim(Claims.GUID, adapter?.User?.Guid ?? string.Empty),
+                    new Claim(Claims.Id, adapter?.User?.Id ?? string.Empty),
                     new Claim(Claims.Email, adapter?.User?.Email ?? string.Empty),
                     new Claim(Claims.Tenant, adapter?.Tenant?.Name ?? string.Empty),
                     new Claim(Claims.Tenant, adapter?.Tenant?.Id ?? string.Empty),