diff --git a/VectoCore/VectoCore/InputData/FileIO/XML/Declaration/DataProvider/XMLDeclarationVehicleDataProvider.cs b/VectoCore/VectoCore/InputData/FileIO/XML/Declaration/DataProvider/XMLDeclarationVehicleDataProvider.cs
index bb60b5c9167d3bca9b9afda4ae88ed4a0edff0e1..cc10e9e6b121c87b283a940b940e81ad34071623 100644
--- a/VectoCore/VectoCore/InputData/FileIO/XML/Declaration/DataProvider/XMLDeclarationVehicleDataProvider.cs
+++ b/VectoCore/VectoCore/InputData/FileIO/XML/Declaration/DataProvider/XMLDeclarationVehicleDataProvider.cs
@@ -233,7 +233,7 @@ namespace TUGraz.VectoCore.InputData.FileIO.XML.Declaration.DataProvider
 		
 		public virtual string VehicleTypeApprovalNumber => ElementExists(XMLNames.VehicleTypeApprovalNumber) ? GetString(XMLNames.Vehicle_TypeApprovalNumber) : null;
 		public virtual ArchitectureID ArchitectureID => ElementExists(XMLNames.Vehicle_ArchitectureID) ? ArchitectureIDHelper.Parse(GetString(XMLNames.Vehicle_ArchitectureID)) : ArchitectureID.UNKNOWN;
-		public virtual bool OvcHev => GetBool(XMLNames.Vehicle_OvcHev);
+		public virtual bool OvcHev => ElementExists(XMLNames.Vehicle_OvcHev) && GetBool(XMLNames.Vehicle_OvcHev);
 		public virtual Watt MaxChargingPower => ElementExists(XMLNames.Vehicle_MaxChargingPower) ?
 			XmlConvert.ToInt32(GetString(XMLNames.Vehicle_MaxChargingPower)).SI<Watt>() : null;