diff --git a/change/@fluentui-react-tree-e91902ae-b031-47c0-99be-2f7450c3f3f7.json b/change/@fluentui-react-tree-e91902ae-b031-47c0-99be-2f7450c3f3f7.json
new file mode 100644
index 0000000000000..fe7fa3fe12076
--- /dev/null
+++ b/change/@fluentui-react-tree-e91902ae-b031-47c0-99be-2f7450c3f3f7.json
@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "bugfix: fix VisibleFlatTreeItemGenerator omitting visible items",
+  "packageName": "@fluentui/react-tree",
+  "email": "bernardo.sunderhus@gmail.com",
+  "dependentChangeType": "patch"
+}
diff --git a/packages/react-components/react-tree/src/utils/createFlatTreeItems.ts b/packages/react-components/react-tree/src/utils/createFlatTreeItems.ts
index 6643c14990f5e..7c564d93e3fa8 100644
--- a/packages/react-components/react-tree/src/utils/createFlatTreeItems.ts
+++ b/packages/react-components/react-tree/src/utils/createFlatTreeItems.ts
@@ -109,12 +109,12 @@ export function* VisibleFlatTreeItemGenerator<Props extends FlatTreeItemProps<un
 ) {
   for (let index = 0, visibleIndex = 0; index < flatTreeItems.size; index++) {
     const item = flatTreeItems.getByIndex(index) as FlatTreeItem<Props>;
-    const parent = item.parentValue ? flatTreeItems.get(item.parentValue) ?? flatTreeItems.root : flatTreeItems.root;
     if (isItemVisible(item, openItems, flatTreeItems)) {
       item.index = visibleIndex++;
       yield item;
     } else {
-      index += parent.childrenSize - 1 + item.childrenSize;
+      // Jump the amount of children the current item has, since those items will also be hidden
+      index += item.childrenSize;
     }
   }
 }