diff --git a/jquery/jquery.d.ts b/jquery/jquery.d.ts
index 99969f710e..e824cf2980 100644
--- a/jquery/jquery.d.ts
+++ b/jquery/jquery.d.ts
@@ -156,7 +156,7 @@ interface BaseJQueryEventObject extends Event {
     pageX: number;
     pageY: number;
     which: number;
-    metaKey: any;
+    metaKey: boolean;
 }
 
 interface JQueryInputEventObject extends BaseJQueryEventObject {