diff --git a/src/vs/base/browser/ui/list/listWidget.ts b/src/vs/base/browser/ui/list/listWidget.ts
index 0e0a4df34bcb1..7e4aa5fb5b467 100644
--- a/src/vs/base/browser/ui/list/listWidget.ts
+++ b/src/vs/base/browser/ui/list/listWidget.ts
@@ -329,6 +329,7 @@ export function mightProducePrintableCharacter(event: IKeyboardEvent): boolean {
 
 	return (event.keyCode >= KeyCode.KEY_A && event.keyCode <= KeyCode.KEY_Z)
 		|| (event.keyCode >= KeyCode.KEY_0 && event.keyCode <= KeyCode.KEY_9)
+		|| (event.keyCode >= KeyCode.NUMPAD_0 && event.keyCode <= KeyCode.NUMPAD_9)
 		|| (event.keyCode >= KeyCode.US_SEMICOLON && event.keyCode <= KeyCode.US_QUOTE);
 }