diff --git a/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs b/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs
index bc4a35b4d2..8f67019561 100644
--- a/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs
+++ b/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs
@@ -1924,7 +1924,7 @@ namespace BizHawk.Client.EmuHawk
 
 			return 0.RangeToExclusive(_horizontalColumnTops.Length).Contains(index)
 				? _horizontalColumnTops[index]
-				: _horizontalColumnTops.Last() + CellHeight;
+				: _horizontalColumnTops.Last() + _horizontalColumnHeights.Last();
 		}
 
 		private int GetHColBottom(int index) =>