diff --git a/AsbCloudInfrastructure/Services/AuthService.cs b/AsbCloudInfrastructure/Services/AuthService.cs
index a8bf9448..d54c3f2e 100644
--- a/AsbCloudInfrastructure/Services/AuthService.cs
+++ b/AsbCloudInfrastructure/Services/AuthService.cs
@@ -27,6 +27,7 @@ namespace AsbCloudInfrastructure.Services
         private static readonly TimeSpan expiresTimespan = TimeSpan.FromDays(365.25);
         private static readonly Encoding encoding = Encoding.UTF8;
         private const int PasswordSaltLength = 5;
+        private const string claimIdUser = "id";
         private const string claimNameidCompany = "idCompany";
         private readonly HashAlgorithm hashAlgoritm;
         private readonly Random rnd;
@@ -157,6 +158,7 @@ namespace AsbCloudInfrastructure.Services
 
             var claims = new List<Claim>
                 {
+                    new Claim(claimIdUser, user.Id.ToString()),
                     new Claim(ClaimsIdentity.DefaultNameClaimType, user.Login),
                     new Claim(ClaimsIdentity.DefaultRoleClaimType, user.Role?.Caption??"GUEST"),
                     new Claim(claimNameidCompany, user.IdCompany.ToString()),
diff --git a/AsbCloudWebApi/Controllers/FileController.cs b/AsbCloudWebApi/Controllers/FileController.cs
index 45a7accc..8ca5d949 100644
--- a/AsbCloudWebApi/Controllers/FileController.cs
+++ b/AsbCloudWebApi/Controllers/FileController.cs
@@ -37,11 +37,12 @@ namespace AsbCloudWebApi.Controllers
         [HttpPost]
         [ProducesResponseType(typeof(int), (int)System.Net.HttpStatusCode.OK)]
         public async Task<IActionResult> SaveFilesAsync(int idWell, int idCategory, 
-            int idUser, [FromForm] IFormFileCollection files, CancellationToken token = default)
+            [FromForm] IFormFileCollection files, CancellationToken token = default)
         {
             int? idCompany = User.GetCompanyId();
+            int? idUser = User.GetUserId();
 
-            if (idCompany is null)
+            if (idCompany is null || idUser is null)
                 return Forbid();
 
             if (!await wellService.IsCompanyInvolvedInWellAsync((int)idCompany, 
@@ -49,7 +50,7 @@ namespace AsbCloudWebApi.Controllers
                     return Forbid();
 
             var fileInfoCollection = files.Select(f =>
-                (f.FileName, idWell, idCategory, DateTime.Now, idUser));
+                (f.FileName, idWell, idCategory, DateTime.Now, (int)idUser));
 
             var fileNamesAndIds = fileService.SaveFilesPropertiesToDb(idWell,
                 idCategory, fileInfoCollection);
diff --git a/AsbCloudWebApi/Extensions.cs b/AsbCloudWebApi/Extensions.cs
index ffcebc3c..6ec5e0c0 100644
--- a/AsbCloudWebApi/Extensions.cs
+++ b/AsbCloudWebApi/Extensions.cs
@@ -15,5 +15,16 @@ namespace AsbCloudWebApi
                 ? uid
                 : null;
         }
+
+        public static int? GetUserId(this ClaimsPrincipal user)
+        {
+            var userId = user.FindFirst(nameof(User.Id));
+            if (userId is null)
+                return null;
+
+            return int.TryParse(userId.Value, out int uid)
+                ? uid
+                : null;
+        }
     }
 }