diff --git a/lib/ui/grid/grid.js b/lib/ui/grid/grid.js
index 0a7749f..49ff044 100644
--- a/lib/ui/grid/grid.js
+++ b/lib/ui/grid/grid.js
@@ -1527,6 +1527,7 @@ export class Grid {
         this._var.containerHeight = length * (this.rowHeight + 1);
         if (!keep) {
             this._var.scrollTop = 0;
+            this._var.startIndex = 0;
             this._var.el.scrollTop = 0;
             this._var.refs.table.style.top = '0px';
         }