diff --git a/csharp/App/SaliMax/src/Program.cs b/csharp/App/SaliMax/src/Program.cs
index e855fc0d7..871cdbf08 100644
--- a/csharp/App/SaliMax/src/Program.cs
+++ b/csharp/App/SaliMax/src/Program.cs
@@ -16,6 +16,7 @@ using InnovEnergy.Lib.Devices.Trumpf.TruConvertAc.DataTypes;
 using InnovEnergy.Lib.Devices.Trumpf.TruConvertDc;
 using InnovEnergy.Lib.Devices.Trumpf.TruConvertDc.Control;
 using InnovEnergy.Lib.Protocols.Modbus.Channels;
+using InnovEnergy.Lib.Time.Unix;
 using InnovEnergy.Lib.Units;
 using InnovEnergy.Lib.Utils;
 using static InnovEnergy.Lib.Devices.Trumpf.SystemControl.DataTypes.SystemConfig;