diff -ur v11/fsyn.py v12/fsyn.py
--- v11/fsyn.py	2020-05-06 23:18:08.000000000 +0900
+++ v12/fsyn.py	2021-03-22 11:58:30.000000000 +0900
@@ -150,9 +150,17 @@
 		cmp.snap_new.write( fn )
 
 		add_chg = cmp.add + cmp.chg
+
+		def to_str_paths( paths ):
+			def f( path ):
+				if any( map( lambda c: c in path, [ '(', ')', "'" ] ) ):
+					path = '"' + path + '"'
+				return path
+			return ' '.join( map( f, paths ) )
+
 		if add_chg:
 			fn = id_fn( id, 'update.tgz' )
-			cmd = 'tar czf {} -C {} {}'.format( fn, dir_path, to_str( add_chg, delim=' ' ) )
+			cmd = 'tar czf {} -C {} {}'.format( fn, dir_path, to_str_paths( add_chg ) )
 			cmd_call( cmd )
 
 		put_link( id, empty.new( from_=id_old, to=[] ) )