diff --git a/src/components/VnTable/VnTable.vue b/src/components/VnTable/VnTable.vue
index 63a6feab0..b3e4d2a9a 100644
--- a/src/components/VnTable/VnTable.vue
+++ b/src/components/VnTable/VnTable.vue
@@ -651,7 +651,9 @@ const rowCtrlClickFunction = computed(() => {
 });
 const handleHeaderSelection = (evt, data) => {
     if (evt === 'selected' && data) {
-        selected.value = tableRef.value.rows;
+        const fn = $props.selectionFn;
+        const rows = tableRef.value.rows;
+        selected.value = fn ? fn(rows) : rows;
     } else if (evt === 'selectAll') {
         selected.value = data;
     } else {