diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index ff7457dc..2fb0b00a 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -52,7 +52,7 @@ char payload_str[100];
 WiFiServer server(port);
 WiFiClient client;
 
-#define PICO_W    // define if Pico W board.  Otherwise, compilation fail for Pico or runtime fail if compile as Pico W
+//#define PICO_W    // define if Pico W board.  Otherwise, compilation fail for Pico or runtime fail if compile as Pico W
 
 void setup() {
   new_mode = mode;