diff --git a/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs b/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs
index c7907e46bd..d33720983a 100644
--- a/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs
+++ b/BizHawk.Client.EmuHawk/CustomControls/InputRoll/InputRoll.cs
@@ -258,6 +258,7 @@ namespace BizHawk.Client.EmuHawk
 			set
 			{
 				_rowCount = value;
+				Invalidate();
 				RecalculateScrollBars();
 			}
 		}