diff --git a/wadsrc/static/zscript/engine/ui/menu/optionmenu.zs b/wadsrc/static/zscript/engine/ui/menu/optionmenu.zs
index 91b79aae02..d49677718f 100644
--- a/wadsrc/static/zscript/engine/ui/menu/optionmenu.zs
+++ b/wadsrc/static/zscript/engine/ui/menu/optionmenu.zs
@@ -193,7 +193,7 @@ class OptionMenu : Menu
 					mDesc.mScrollPos += 2;
 					VisBottom += 2;
 				}
-				else
+				else if (VisBottom < mDesc.mItems.Size()-1)
 				{
 					mDesc.mScrollPos++;
 					VisBottom++;