diff --git a/AsbCloudWebApi/Controllers/ProcessMaps/ProcessMapPlanBaseController.cs b/AsbCloudWebApi/Controllers/ProcessMaps/ProcessMapPlanBaseController.cs
index 09d735fe..34668ac8 100644
--- a/AsbCloudWebApi/Controllers/ProcessMaps/ProcessMapPlanBaseController.cs
+++ b/AsbCloudWebApi/Controllers/ProcessMaps/ProcessMapPlanBaseController.cs
@@ -15,6 +15,7 @@ using AsbCloudApp.Data;
 using AsbCloudApp.Requests.ParserOptions;
 using AsbCloudInfrastructure.Services.Parser;
 using AsbCloudApp.Data.ProcessMaps;
+using System.ComponentModel.DataAnnotations;
 
 namespace AsbCloudWebApi.Controllers.ProcessMaps;
 
@@ -205,19 +206,19 @@ public abstract class ProcessMapPlanBaseController<TDto> : ControllerBase
     /// Импорт РТК из excel (xlsx) файла
     /// </summary>
     /// <param name="idWell"></param>
-    /// <param name="files"></param>
+    /// <param name="file"></param>
     /// <param name="token"></param>
     /// <returns></returns>
     [HttpPost("parse")]
     [ProducesResponseType(StatusCodes.Status200OK)]
     [ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
     public async Task<ActionResult<ParserResultDto<TDto>>> Parse(int idWell,
-        [FromForm] IFormFileCollection files,
+         [Required] IFormFile file,
         CancellationToken token)
     {
         await AssertUserHasAccessToWell(idWell, token);
 
-        var stream = files.GetExcelFile();
+        var stream = file.GetExcelFile();
 
         try
         {
@@ -226,7 +227,7 @@ public abstract class ProcessMapPlanBaseController<TDto> : ControllerBase
         }
         catch (FileFormatException ex)
         {
-            return this.ValidationBadRequest(nameof(files), ex.Message);
+            return this.ValidationBadRequest(nameof(file), ex.Message);
         }
     }
 
diff --git a/AsbCloudWebApi/Extensions.cs b/AsbCloudWebApi/Extensions.cs
index 59c72e37..26cea7ba 100644
--- a/AsbCloudWebApi/Extensions.cs
+++ b/AsbCloudWebApi/Extensions.cs
@@ -113,4 +113,18 @@ public static class Extensions
 
         return file.OpenReadStream();
     }
+
+    /// <summary>
+    /// Получение Excel 
+    /// </summary>
+    /// <param name="files"></param>
+    /// <returns></returns>
+    /// <exception cref="ArgumentInvalidException"></exception>
+    public static Stream GetExcelFile(this IFormFile file)
+    {
+        if (Path.GetExtension(file.FileName).ToLower() != ".xlsx")
+            throw new ArgumentInvalidException(nameof(file), "Требуется .xlsx файл.");
+
+        return file.OpenReadStream();
+    }
 }
\ No newline at end of file