diff --git a/Cart_Reader/Cart_Reader.ino b/Cart_Reader/Cart_Reader.ino
index ee0497a..7014a91 100644
--- a/Cart_Reader/Cart_Reader.ino
+++ b/Cart_Reader/Cart_Reader.ino
@@ -47,7 +47,7 @@ char ver[5] = "V19A";
    Define Input
 ******************************************/
 // If you have two buttons on your cart reader you can remove the //
-#define enable_Button2
+//#define enable_Button2
 
 /******************************************
    Pinout