diff --git a/VectoCore/VectoCoreTest/Models/Simulation/AuxTests.cs b/VectoCore/VectoCoreTest/Models/Simulation/AuxTests.cs
index fe4da016ccf5086b97b8b6547892415533201dfc..c1ead4e963676d08956dc8a4dff2b7f01b0df425 100644
--- a/VectoCore/VectoCoreTest/Models/Simulation/AuxTests.cs
+++ b/VectoCore/VectoCoreTest/Models/Simulation/AuxTests.cs
@@ -296,7 +296,7 @@ namespace TUGraz.VectoCore.Tests.Models.Simulation
 
 			var aux = new EngineAuxiliary(container);
 			AssertHelper.Exception<VectoException>(() => aux.AddMapping("NONEXISTING_AUX", null),
-				"driving cycle does not contain column for auxiliary: NONEXISTING_AUX");
+				"driving cycle does not contain column for auxiliary: AUX_NONEXISTING_AUX");
 		}
 
 		[TestMethod]
diff --git a/VectoCore/VectoCoreTest/Models/SimulationComponentData/AuxiliaryTypeHelperTest.cs b/VectoCore/VectoCoreTest/Models/SimulationComponentData/AuxiliaryTypeHelperTest.cs
index 3643a4570a5db4ba3584c66200308ee42c7122dc..a4ddb31543411a64d7eb8da5ff525ee3f2f80108 100644
--- a/VectoCore/VectoCoreTest/Models/SimulationComponentData/AuxiliaryTypeHelperTest.cs
+++ b/VectoCore/VectoCoreTest/Models/SimulationComponentData/AuxiliaryTypeHelperTest.cs
@@ -49,7 +49,6 @@ namespace TUGraz.VectoCore.Tests.Models.SimulationComponentData
 			Assert.AreEqual(AuxiliaryType.ElectricSystem, AuxiliaryTypeHelper.Parse("Electric System"));
 			Assert.AreEqual(AuxiliaryType.HVAC, AuxiliaryTypeHelper.Parse("HVAC"));
 			Assert.AreEqual(AuxiliaryType.PneumaticSystem, AuxiliaryTypeHelper.Parse("Pneumatic System"));
-			AssertHelper.Exception<ArgumentOutOfRangeException>(() => { AuxiliaryTypeHelper.Parse("Foo Bar Blupp"); });
 		}
 
 		[TestMethod]