diff --git a/epi-display-samsung-mdc/SamsungMdc.cs b/epi-display-samsung-mdc/SamsungMdc.cs
index e9001ee..3ad8f96 100644
--- a/epi-display-samsung-mdc/SamsungMdc.cs
+++ b/epi-display-samsung-mdc/SamsungMdc.cs
@@ -271,7 +271,7 @@ public void LinkToApi(BasicTriList trilist, uint joinStart, string joinMapKey, E
             foreach (var input in InputPorts)
             {
                 var i = input;
-                var inputIndex = count;
+                var inputIndex = count + 1;
                 trilist.SetSigTrueAction((ushort)(joinMap.InputSelectOffset.JoinNumber + count), () =>
                     {
                         Debug.Console(DebugLevelVerbose, this, "InputSelect Digital-'{0}'", inputIndex);