diff --git a/sys/fs/vfs/file.c b/sys/fs/vfs/file.c
index 0abe209..859f4e0 100644
--- a/sys/fs/vfs/file.c
+++ b/sys/fs/vfs/file.c
@@ -544,7 +544,7 @@
       if (fd->dup > 0)
         fd->dup--;
       else {
-
+        fd->dup = -2;
         if (fd->res != 0x0)
           fl_fclose(fd->res);
 
diff --git a/sys/kernel/vfs_calls.c b/sys/kernel/vfs_calls.c
index 48290f0..189e9d9 100644
--- a/sys/kernel/vfs_calls.c
+++ b/sys/kernel/vfs_calls.c
@@ -136,7 +136,7 @@
           if (!fclose(fd->fd))
             td->td_retval[0] = -1;
 
-          if (fd->fd->dup > 0)
+          if (fd->fd->dup > 0 || fd->fd->dup == -2)
             td->td_retval[0] = 0;
           else {
             kprintf("DESTROY: !!!!!!!!!!!!!!!!!!!!!!!!!!!!", args->fd);