diff --git a/Assets/Plugin/Generators/GeneratorRemapOnDemand.cs b/Assets/Plugin/Generators/GeneratorRemapOnDemand.cs
index 27d6d80..8e01681 100644
--- a/Assets/Plugin/Generators/GeneratorRemapOnDemand.cs
+++ b/Assets/Plugin/Generators/GeneratorRemapOnDemand.cs
@@ -17,7 +17,7 @@ public void GenerateDMX(ref List<byte> dmxData)
         //ensure capacity
         dmxData.EnsureCapacity(RemapToChannelStart + (int)RemapChannelLength);
         dmxData.EnsureCapacity(RemapFromChannelStart + (int)RemapChannelLength);
-        dmxData.EnsureCapacity(ToggleChannel);
+        dmxData.EnsureCapacity(ToggleChannel + 1);
         
         if (dmxData[ToggleChannel] > ActivationThreshold)
         {