diff --git a/VectoCore/VectoCore/InputData/FileIO/XML/Declaration/DataProvider/v24/XMLDeclarationExemptedVehicleDataProvider.cs b/VectoCore/VectoCore/InputData/FileIO/XML/Declaration/DataProvider/v24/XMLDeclarationExemptedVehicleDataProvider.cs
index 13bbba91666b999afd90993d4c7e00afc8e17ec5..c04f4fd92a9b6f4d3068389b7dd4e24946f3f450 100644
--- a/VectoCore/VectoCore/InputData/FileIO/XML/Declaration/DataProvider/v24/XMLDeclarationExemptedVehicleDataProvider.cs
+++ b/VectoCore/VectoCore/InputData/FileIO/XML/Declaration/DataProvider/v24/XMLDeclarationExemptedVehicleDataProvider.cs
@@ -45,7 +45,8 @@ namespace TUGraz.VectoCore.InputData.FileIO.XML.Declaration.DataProvider.v24
 
 		public override bool VocationalVehicle => false;
 
-		public override bool? SleeperCab => false;
+		public override bool? SleeperCab =>
+			ElementExists(XMLNames.Vehicle_SleeperCab) && GetBool(XMLNames.Vehicle_SleeperCab);
 
 		public override TankSystem? TankSystem => null;