diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 6d3a6249d21cf6e708523bc905bbfb64e4128656..d0e160307c5dba54eceb086885ae3c7efd939efa 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -65,6 +65,7 @@ static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
 		iput(inode);
 		return -ENOMEM;
 	}
+	sysfs_root.s_dentry = root;
 	root->d_fsdata = &sysfs_root;
 	sb->s_root = root;
 	return 0;