diff --git a/src/Add-on/DrawBoard/DrawDrawer.ts b/src/Add-on/DrawBoard/DrawDrawer.ts
index 58bde4e2e..55e10445d 100644
--- a/src/Add-on/DrawBoard/DrawDrawer.ts
+++ b/src/Add-on/DrawBoard/DrawDrawer.ts
@@ -360,7 +360,7 @@ export class DrawDrawrer implements Command
             if (typeof rowHeigh === "number")
                 rowTemplate.HParam.expr = rowHeigh - opt.topExt - opt.bottomExt + opt.bottomSpace + opt.topSpace;
             else
-                rowTemplate.HParam.expr = `${rowHeigh}-__SG-__XG+__YLJXS+__YLJXX`;
+                rowTemplate.HParam.expr = `${rowHeigh}-__SYS-__XYS+__YLJXS+__YLJXX`;
         }
         else if (currentRow === 0)
         {