diff --git a/src/components/VnTable/VnTable.vue b/src/components/VnTable/VnTable.vue
index 1e949120f..dc8671369 100644
--- a/src/components/VnTable/VnTable.vue
+++ b/src/components/VnTable/VnTable.vue
@@ -335,10 +335,13 @@ function handleScroll() {
 function handleSelection({ evt, added, rows: selectedRows }, rows) {
     if (evt?.shiftKey && added) {
         const rowIndex = selectedRows[0].$index;
-        selected.value.length = 0;
+        const selectedIndexes = new Set(selected.value.map((row) => row.$index));
         for (const row of rows) {
             if (row.$index == rowIndex) break;
-            selected.value.push(row);
+            if (!selectedIndexes.has(row.$index)) {
+                selected.value.push(row);
+                selectedIndexes.add(row.$index);
+            }
         }
     }
 }