diff --git a/main.h b/main.h
index e92e829b..6a9057dc 100644
--- a/main.h
+++ b/main.h
@@ -77,6 +77,7 @@ void update_rs(unsigned char parity[32], unsigned char c);
 void write_little_endian(unsigned int word, int num_bytes, FILE *wav_file);
 static int init_rf();
 extern int Encode_8b10b[][256];
+void program_radio();
 
 int socket_open = 0;
 int sock = 0;