diff --git a/main.h b/main.h
index b3ec473f..82a2b10f 100644
--- a/main.h
+++ b/main.h
@@ -112,6 +112,7 @@ FILE *telem_file;
 #define BPSK 3
 #define SSTV 4
 #define CW 5
+#define FC 7
 #define REPEATER 11
 #define TXCOMMAND 12