diff --git a/src/proto_tcp.c b/src/proto_tcp.c
index 3773144..b43731c 100644
--- a/src/proto_tcp.c
+++ b/src/proto_tcp.c
@@ -41,6 +41,7 @@
 #include <proto/arg.h>
 #include <proto/channel.h>
 #include <proto/connection.h>
+#include <proto/fd.h>
 #include <proto/log.h>
 #include <proto/port_range.h>
 #include <proto/protocols.h>