diff --git a/AsbCloudInfrastructure/Services/TrajectoryVisualizationService.cs b/AsbCloudInfrastructure/Services/TrajectoryVisualizationService.cs
index 56e02565..1c90e8d8 100644
--- a/AsbCloudInfrastructure/Services/TrajectoryVisualizationService.cs
+++ b/AsbCloudInfrastructure/Services/TrajectoryVisualizationService.cs
@@ -32,9 +32,9 @@ namespace AsbCloudInfrastructure.Services
             { 
                 var data = dtos[i];
                 var flat = GetFlat(data.WellboreDepth, prevData.WellboreDepth, prevData.ZenithAngle);
-                var x = prevCoordinates.X = GetX(data.AzimuthGeo, flat, prevCoordinates.X);
-                var y = prevCoordinates.Y = GetY(data.AzimuthGeo, flat, prevCoordinates.X);
-                var z = prevCoordinates.Z = GetZ(data.WellboreDepth, prevData.WellboreDepth, data.ZenithAngle, prevCoordinates.Z);
+                var x = prevCoordinates.X = GetX(prevData.AzimuthGeo, flat, prevCoordinates.X);
+                var y = prevCoordinates.Y = GetY(prevData.AzimuthGeo, flat, prevCoordinates.X);
+                var z = prevCoordinates.Z = GetZ(data.WellboreDepth, prevData.WellboreDepth, prevData.ZenithAngle, prevCoordinates.Z);
                 prevData = data;
 
                 var coordinates = new TrajectoryVisualizationDto
@@ -50,7 +50,7 @@ namespace AsbCloudInfrastructure.Services
             return result;
         }
 
-        private double GetFlat(double depthEnd, double depthStart, double zenit) => 
+        private double GetFlat(double depthEnd, double depthStart, double zenit) =>
             (depthEnd - depthStart) * Math.Sin(zenit * Math.PI / 180);
 
         private double GetX(double azimuth, double flat, double prev) =>
diff --git a/AsbCloudWebApi.Tests/ServicesTests/TrajectoryVisualizationServiceTest.cs b/AsbCloudWebApi.Tests/ServicesTests/TrajectoryVisualizationServiceTest.cs
index 914a374c..7ba99ce0 100644
--- a/AsbCloudWebApi.Tests/ServicesTests/TrajectoryVisualizationServiceTest.cs
+++ b/AsbCloudWebApi.Tests/ServicesTests/TrajectoryVisualizationServiceTest.cs
@@ -73,7 +73,7 @@ namespace AsbCloudWebApi.Tests.ServicesTests
             {
                 new() { AzimuthGeo = 0d, ZenithAngle = 0d, WellboreDepth = 0d},
                 new() { AzimuthGeo = 30d, ZenithAngle = 30d, WellboreDepth = 10d},
-                new() { AzimuthGeo = 20d, ZenithAngle = 20d, WellboreDepth = 20d},
+                new() { AzimuthGeo = 0d, ZenithAngle = 0d, WellboreDepth = 20d},
             };
 
             var mock = MakePlannedTrajectoryRepositoryMock(plannedTrajectory);