diff --git a/include/proto/proto_tcp.h b/include/proto/proto_tcp.h
index ee7586c..109bc09 100644
--- a/include/proto/proto_tcp.h
+++ b/include/proto/proto_tcp.h
@@ -32,6 +32,7 @@
 void tcpv4_add_listener(struct listener *listener);
 void tcpv6_add_listener(struct listener *listener);
 int tcp_bind_listener(struct listener *listener, char *errmsg, int errlen);
+int tcp_inspect_request(struct session *s, struct buffer *req);
 
 #endif /* _PROTO_PROTO_TCP_H */