diff --git a/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/EngineeringDataAdapter.cs b/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/EngineeringDataAdapter.cs
index d18eb2d5f54dc315d0465781a34eadf6952de680..08fe0ca8535b74ebd49ddf45072dad951c2ac7a5 100644
--- a/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/EngineeringDataAdapter.cs
+++ b/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/EngineeringDataAdapter.cs
@@ -1563,10 +1563,10 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 
 	public class IEPCGearboxInputData : IGearboxDeclarationInputData
 	{
-		protected readonly IIEPCEngineeringInputData _iepc;
+		protected readonly IIEPCDeclarationInputData _iepc;
 		private IList<ITransmissionInputData> _gears;
 
-		public IEPCGearboxInputData(IIEPCEngineeringInputData iepc)
+		public IEPCGearboxInputData(IIEPCDeclarationInputData iepc)
 		{
 			_iepc = iepc;
 		}