diff --git a/src/vs/base/browser/ui/tree/abstractTree.ts b/src/vs/base/browser/ui/tree/abstractTree.ts
index fa30edc24f80d37bfe60d4345bb7748d2ac00325..08a218b4d54ee420ef70054cb4509cd1726a14e7 100644
--- a/src/vs/base/browser/ui/tree/abstractTree.ts
+++ b/src/vs/base/browser/ui/tree/abstractTree.ts
@@ -485,9 +485,9 @@ class TypeFilterController<T, TFilterData> implements IDisposable {
 		const isPrintableCharEvent = this.keyboardNavigationLabelProvider.mightProducePrintableCharacter ? (e: IKeyboardEvent) => this.keyboardNavigationLabelProvider.mightProducePrintableCharacter!(e) : (e: IKeyboardEvent) => mightProducePrintableCharacter(e);
 		const onKeyDown = Event.chain(domEvent(this.view.getHTMLElement(), 'keydown'))
 			.filter(e => !isInputElement(e.target as HTMLElement) || e.target === this.filterOnTypeDomNode)
+			.map(e => new StandardKeyboardEvent(e))
 			.filter(this.keyboardNavigationEventFilter || (() => true))
 			.filter(() => this.automaticKeyboardNavigation || this.triggered)
-			.map(e => new StandardKeyboardEvent(e))
 			.filter(e => isPrintableCharEvent(e) || ((this._pattern.length > 0 || this.triggered) && ((e.keyCode === KeyCode.Escape || e.keyCode === KeyCode.Backspace) && !e.altKey && !e.ctrlKey && !e.metaKey) || (e.keyCode === KeyCode.Backspace && (isMacintosh ? e.altKey : e.ctrlKey) && !e.shiftKey)))
 			.forEach(e => { e.stopPropagation(); e.preventDefault(); })
 			.event;
@@ -707,7 +707,7 @@ function asTreeContextMenuEvent<T>(event: IListContextMenuEvent<ITreeNode<T, any
 }
 
 export interface IKeyboardNavigationEventFilter {
-	(e: KeyboardEvent): boolean;
+	(e: StandardKeyboardEvent): boolean;
 }
 
 export interface IAbstractTreeOptionsUpdate extends ITreeRendererOptions {