diff --git a/copyparty/mtag.py b/copyparty/mtag.py
index a4099197..0bb1f863 100644
--- a/copyparty/mtag.py
+++ b/copyparty/mtag.py
@@ -418,7 +418,8 @@ class MTag(object):
 
         try:
             md = mutagen.File(fsenc(abspath), easy=True)
-            x = md.info.length
+            if not md.info.length and not md.info.codec:
+                raise Exception()
         except Exception as ex:
             return self.get_ffprobe(abspath) if self.can_ffprobe else {}