diff --git a/sys/kernel/vfs_calls.c b/sys/kernel/vfs_calls.c
index a33c133..48290f0 100644
--- a/sys/kernel/vfs_calls.c
+++ b/sys/kernel/vfs_calls.c
@@ -135,6 +135,9 @@
         else {
           if (!fclose(fd->fd))
             td->td_retval[0] = -1;
+
+          if (fd->fd->dup > 0)
+            td->td_retval[0] = 0;
           else {
             kprintf("DESTROY: !!!!!!!!!!!!!!!!!!!!!!!!!!!!", args->fd);
             fdestroy(td, fd, args->fd);