diff --git a/build/phaser.d.ts b/build/phaser.d.ts
index 241f59581..79778b173 100644
--- a/build/phaser.d.ts
+++ b/build/phaser.d.ts
@@ -2614,7 +2614,7 @@ declare module Phaser {
         event: Object;
         game: Phaser.Game;
         lastChar: string;
-        lastKey: string;
+        lastKey: Phaser.Key;
         onDownCallback: Function;
         onPressCallback: Function;
         onUpCallback: Function;