diff --git a/copyparty/up2k.py b/copyparty/up2k.py
index db6931b3..b6032f1e 100644
--- a/copyparty/up2k.py
+++ b/copyparty/up2k.py
@@ -94,7 +94,7 @@ ICV_EXTS = set(zsg.split(","))
 zsg = "3gp,asf,av1,avc,avi,flv,m4v,mjpeg,mjpg,mkv,mov,mp4,mpeg,mpeg2,mpegts,mpg,mpg2,mts,nut,ogm,ogv,rm,vob,webm,wmv"
 VCV_EXTS = set(zsg.split(","))
 
-zsg = "aif,aiff,alac,ape,flac,m4a,mp3,oga,ogg,opus,tak,tta,wav,wma,wv"
+zsg = "aif,aiff,alac,ape,flac,m4a,mp3,oga,ogg,opus,tak,tta,wav,wma,wv,cbz,epub"
 ACV_EXTS = set(zsg.split(","))
 
 zsg = "nohash noidx xdev xvol"