diff --git a/packages/plugin-ext/src/main/browser/view/tree-view-widget.tsx b/packages/plugin-ext/src/main/browser/view/tree-view-widget.tsx
index d43346ed3d24d..f932d72060ea2 100644
--- a/packages/plugin-ext/src/main/browser/view/tree-view-widget.tsx
+++ b/packages/plugin-ext/src/main/browser/view/tree-view-widget.tsx
@@ -363,7 +363,7 @@ export class TreeViewWidget extends TreeViewWelcomeWidget {
         this.forceUpdateGrid();
     }
 
-    protected forceUpdateGrid = debounce(() => this.view?.list?.forceUpdateGrid(), 10);
+    protected forceUpdateGrid = debounce(() => this.view?.list?.forceUpdateGrid(), 1);
 
     protected createNodeAttributes(node: TreeNode, props: NodeProps): React.Attributes & React.HTMLAttributes<HTMLElement> {
         return {