diff --git a/conf/conf.c b/conf/conf.c
index 3ae85cb2..a2837886 100644
--- a/conf/conf.c
+++ b/conf/conf.c
@@ -49,9 +49,12 @@
 #include "nest/route.h"
 #include "nest/protocol.h"
 #include "nest/iface.h"
+#include "lib/resource.h"
+#include "lib/string.h"
 #include "lib/event.h"
 #include "sysdep/unix/timer.h"
 #include "conf/conf.h"
+#include "filter/filter.h"
 
 
 static jmp_buf conf_jmpbuf;