diff --git a/src/meta.h b/src/meta.h
index 0aa8c86d..d016dd75 100644
--- a/src/meta.h
+++ b/src/meta.h
@@ -27,6 +27,7 @@
 
 extern bool send_meta(struct connection_t *, const char *, int);
 extern void broadcast_meta(struct connection_t *, const char *, int);
+extern bool flush_meta(struct connection_t *);
 extern bool receive_meta(struct connection_t *);
 
 #endif							/* __TINC_META_H__ */