diff --git a/daemon/socket.h b/daemon/socket.h
index cd8206020..2d7ab7546 100644
--- a/daemon/socket.h
+++ b/daemon/socket.h
@@ -244,7 +244,7 @@ INLINE int ipv46_any_convert(endpoint_t *ep) {
 	return 1;
 }
 
-#define endpoint_packet_header(o, src, args...) (src)->address.family->packet_header(o, src, args)
+#define endpoint_packet_header(o, src, dst, len) (dst)->address.family->packet_header(o, src, dst, len)