diff --git a/afsk/send_afsk.h b/afsk/send_afsk.h
index 0a97402d..27c69d95 100644
--- a/afsk/send_afsk.h
+++ b/afsk/send_afsk.h
@@ -1 +1 @@
-int send_afsk(); 
+int send_afsk(int tlm[][5]);