diff --git a/osuTyping.ts b/osuTyping.ts
index 496f0a0..3f83cdf 100644
--- a/osuTyping.ts
+++ b/osuTyping.ts
@@ -10,7 +10,7 @@ export default abstract class osu {
 	};
 
 	static Client = {
-		Reader: function(data:any) : any {
+		Reader: function(data:Buffer) {
 			return new nodeOsu.Client.Reader(data);
 		}
 	};