diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 9f0bf13..2de0095 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -209,6 +209,7 @@
 	inode->i_mode = S_IRUSR | S_IWUSR;
 	inode->i_uid = current_fsuid();
 	inode->i_gid = current_fsgid();
+	inode->i_flags |= S_PRIVATE;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 	return inode;
 }