diff --git a/TestBenchFramework/BenchControl/Elde/RegulValve/RegulValve.cs b/TestBenchFramework/BenchControl/Elde/RegulValve/RegulValve.cs
index 863510646..f363598c7 100644
--- a/TestBenchFramework/BenchControl/Elde/RegulValve/RegulValve.cs
+++ b/TestBenchFramework/BenchControl/Elde/RegulValve/RegulValve.cs
@@ -67,7 +67,7 @@ namespace TBF.BenchControl.Elde.RegulValve
 					}
 					else if (args.Command == CfgChangeCmd.GetRVAdc1 || args.Command == CfgChangeCmd.GetRVAdc2)
 					{
-						int adc = (int)ControlBoard.AnalogInputRaw(Idx1, 0);
+						int adc = (int)ControlBoard.AnalogInputRaw(Idx1 - 1, 0);
 						// TOTEST
 						RegulValveCfgCtrl.OnCmdResponse(this, new CmdResponseArgs(args.Command, adc));
 					}