diff --git a/bgpd/bgp_btoa.c b/bgpd/bgp_btoa.c
index b9ff67c..284b280 100644
--- a/bgpd/bgp_btoa.c
+++ b/bgpd/bgp_btoa.c
@@ -27,6 +27,7 @@
 #include "command.h"
 #include "memory.h"
 #include "privs.h"
+#include "filter.h"
 
 #include "bgpd/bgpd.h"
 #include "bgpd/bgp_dump.h"