diff --git a/AsbCloudInfrastructure/Services/TrajectoryVisualizationService.cs b/AsbCloudInfrastructure/Services/TrajectoryVisualizationService.cs
index c6ad3b4b..36ed5106 100644
--- a/AsbCloudInfrastructure/Services/TrajectoryVisualizationService.cs
+++ b/AsbCloudInfrastructure/Services/TrajectoryVisualizationService.cs
@@ -21,13 +21,13 @@ namespace AsbCloudInfrastructure.Services
         public async Task<IEnumerable<TrajectoryVisualizationDto>> GetTrajectoryAsync(int idWell, CancellationToken token)
         {
             var result = new List<TrajectoryVisualizationDto>();
-            var dto = (await repository.GetAsync(idWell, token)).ToArray();
+            var dtos = (await repository.GetAsync(idWell, token)).ToArray();
 
-            var prevData = dto[0];
+            var prevData = dtos[0];
             var prevCoordinates = new TrajectoryVisualizationDto();
-            for (var i = 1; i < dto.Length; i++)
+            for (var i = 1; i < dtos.Length; i++)
             { 
-                var data = dto[i];
+                var data = dtos[i];
                 var flat = GetFlat(data.WellboreDepth, prevData.WellboreDepth, data.ZenithAngle);
                 var x = prevCoordinates.X = GetX(data.AzimuthGeo, flat, prevCoordinates.X);
                 var y = prevCoordinates.Y = GetY(data.AzimuthGeo, flat, prevCoordinates.Y);