diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 88efc16..c3d200d 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -876,6 +876,8 @@
 	v9ses = v9fs_inode2v9ses(dir);
 
 	mode |= S_IFDIR;
+	if (dir->i_mode & S_ISGID)
+		mode |= S_ISGID;
 	dir_dentry = v9fs_dentry_from_dir_inode(dir);
 	dfid = v9fs_fid_lookup(dir_dentry);
 	if (IS_ERR(dfid)) {