diff --git a/lib/command.c b/lib/command.c
index 8ae27de..3a59f24 100644
--- a/lib/command.c
+++ b/lib/command.c
@@ -3065,7 +3065,7 @@
   
   /* Make vty for configuration file. */
   file_vty = vty_new ();
-  file_vty->fd = fd;
+  file_vty->wfd = fd;
   file_vty->type = VTY_FILE;
 
   /* Config file header print. */