diff --git a/unsync.py b/unsync.py
index bfcb068..ee9ae7d 100755
--- a/unsync.py
+++ b/unsync.py
@@ -8,6 +8,7 @@ import os.path
 import sys
 import shutil
 import tempfile
+from zlib import crc32
 
 import mutaext
 import convert
@@ -79,12 +80,13 @@ def makefilename(md):
     title = md['title']
     artist = md['artist']
     album = md['album']
-    sync = md.get('sync')
 
-    # TODO: strip /'s and other possible nasties
-    if sync:
-        return "!%(sync)s %(artist)s - %(album)s - %(title)s.ogg" % locals()
-    return "%(artist)s - %(album)s - %(title)s.ogg" % locals()
+    fn = "%(artist)s - %(album)s - %(title)s" % locals()
+    crc = crc32(fn.encode('utf-8')) & 0xFFFFFFFF
+    # FAT is a pain to deal with so just use nondescript filenames
+    fn = '{:08X}.ogg'.format(crc)
+
+    return fn
 
 def run(args):
     if not len(args) in (2, 3):
@@ -129,13 +131,13 @@ def run(args):
         if md.seen:
             try:
                 _from = md.seen
-                _to = fout.encode('utf-8')
+                _to = fout
                 if type(_from) != type(_to):
                     raise TypeError
 
                 if _from != _to:
                     print("MOV", _from)
-                    #os.rename(_from, _to)
+                    os.rename(_from, _to)
                 continue
             except:
                 lament(type(_from), type(_to))