diff --git a/main.h b/main.h
index 0b794df2..83f993ae 100644
--- a/main.h
+++ b/main.h
@@ -111,6 +111,7 @@ FILE *telem_file;
 #define PACSAT 6
 #define REPEATER 11
 #define TXCOMMAND 12
+#define PACSATGND 13
 
 int transmitStatus = -1;