diff --git a/server/file.h b/server/file.h
index dbf0930..1c659be 100644
--- a/server/file.h
+++ b/server/file.h
@@ -136,7 +136,7 @@
 extern struct async *create_async( struct thread *thread, struct async_queue *queue,
                                    const async_data_t *data );
 extern void async_set_timeout( struct async *async, timeout_t timeout, unsigned int status );
-extern void async_set_result( struct object *obj, unsigned int status );
+extern void async_set_result( struct object *obj, unsigned int status, unsigned long total );
 extern int async_waiting( struct async_queue *queue );
 extern void async_terminate( struct async *async, unsigned int status );
 extern void async_wake_up( struct async_queue *queue, unsigned int status );