diff --git a/src/vs/base/browser/ui/list/listWidget.ts b/src/vs/base/browser/ui/list/listWidget.ts
index 0869c52c0d2132074e5e6ca32e1003beff5201e5..a6e058d9b673361e1bc084dee139d871eae27c50 100644
--- a/src/vs/base/browser/ui/list/listWidget.ts
+++ b/src/vs/base/browser/ui/list/listWidget.ts
@@ -330,6 +330,7 @@ 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);
 }