diff --git a/VectoCoreTest/Models/SimulationComponentData/GearboxDataTest.cs b/VectoCoreTest/Models/SimulationComponentData/GearboxDataTest.cs
index cd17c3ec3a8c9131c828f0bd1e1ef3bfe4fc80e6..49ab38abe7d83cd92a18314cbb18fa30ebc80343 100644
--- a/VectoCoreTest/Models/SimulationComponentData/GearboxDataTest.cs
+++ b/VectoCoreTest/Models/SimulationComponentData/GearboxDataTest.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using TUGraz.VectoCore.Models.SimulationComponent.Data;
 using TUGraz.VectoCore.Utils;
@@ -40,13 +41,13 @@ namespace TUGraz.VectoCore.Tests.Models.SimulationComponentData
 		public void TestInterpolation()
 		{
 			var rdyn = Double.Parse(TestContext.DataRow["rDyn"].ToString());
-			var speed = double.Parse(TestContext.DataRow["v"].ToString());
+			var speed = double.Parse(TestContext.DataRow["v"].ToString(), CultureInfo.InvariantCulture);
 
 			var gbxData = GearboxData.ReadFromFile(TestContext.DataRow["GearboxDataFile"].ToString());
 
 
 			var angSpeed = SpeedToAngularSpeed(speed, rdyn) * gbxData.AxleGearData.Ratio;
-			var PvD = Double.Parse(TestContext.DataRow["PowerGbxOut"].ToString()).SI<Watt>();
+			var PvD = Double.Parse(TestContext.DataRow["PowerGbxOut"].ToString(), CultureInfo.InvariantCulture).SI<Watt>();
 
 			var torqueToWheels = Formulas.PowerToTorque(PvD, angSpeed);
 			var torqueFromEngine = 0.SI<NewtonMeter>();
@@ -58,7 +59,8 @@ namespace TUGraz.VectoCore.Tests.Models.SimulationComponentData
 			var powerEngine = Formulas.TorqueToPower(torqueFromEngine, angSpeed);
 			var loss = powerEngine - PvD;
 
-			Assert.AreEqual(Double.Parse(TestContext.DataRow["GbxPowerLoss"].ToString()), loss.Double(), 0.1,
+			Assert.AreEqual(Double.Parse(TestContext.DataRow["GbxPowerLoss"].ToString(), CultureInfo.InvariantCulture),
+				loss.Double(), 0.1,
 				TestContext.DataRow["TestName"].ToString());
 		}
 
diff --git a/VectoCoreTest/TestData/AxleGearLossInterpolation.csv b/VectoCoreTest/TestData/AxleGearLossInterpolation.csv
index 1424e62b65f4b2914eb530b256b08288d3d05ca9..1c13687113c08230e2625349086429de597890de 100644
--- a/VectoCoreTest/TestData/AxleGearLossInterpolation.csv
+++ b/VectoCoreTest/TestData/AxleGearLossInterpolation.csv
@@ -1,10 +1,10 @@
 TestName,GearboxDataFile,rDyn,v,Gear,PowerGbxOut,GbxPowerLoss
-Test1,TestData\Components\24t Coach.vgbx,520,20.320,A,279698.4,9401.44062
-Test2,TestData\Components\24t Coach.vgbx,520,0.5858335,A,17173.5,409.773677587509
-Test3,TestData\Components\24t Coach.vgbx,520,0.3996113,A,292.5253,118.282541632652
-Test4,TestData\Components\24t Coach.vgbx,520,5.327739,A,57431.12,2222.78785705566
-Test5,TestData\Components\24t Coach.vgbx,520,5.661779,A,73563.93,2553.00283432007
-Test6,TestData\Components\24t Coach.vgbx,520,14.15156,A,212829.5,6822.16882705688
-Test7,TestData\Components\24t Coach.vgbx,520,14.55574,A,15225.52,4308.41207504272
-Test8,TestData\Components\24t Coach.vgbx,520,4.601774,A,-1240.225,1362.09738254547
-Test9,TestData\Components\24t Coach.vgbx,520,3.934339,A,-698.5989,1164.5405292511
+Test1,TestData\Components\24t Coach.vgbx,"520","20.320",A,"279698.4","9401.44062"
+Test2,TestData\Components\24t Coach.vgbx,"520","0.5858335",A,"17173.5","409.773677587509"
+Test3,TestData\Components\24t Coach.vgbx,"520","0.3996113",A,"292.5253","118.282541632652"
+Test4,TestData\Components\24t Coach.vgbx,"520","5.327739",A,"57431.12","2222.78785705566"
+Test5,TestData\Components\24t Coach.vgbx,"520","5.661779",A,"73563.93","2553.00283432007"
+Test6,TestData\Components\24t Coach.vgbx,"520","14.15156",A,"212829.5","6822.16882705688"
+Test7,TestData\Components\24t Coach.vgbx,"520","14.55574",A,"15225.52","4308.41207504272"
+Test8,TestData\Components\24t Coach.vgbx,"520","4.601774",A,"-1240.225","1362.09738254547"
+Test9,TestData\Components\24t Coach.vgbx,"520","3.934339",A,"-698.5989","1164.5405292511"
\ No newline at end of file