diff --git a/DeGourou/setup/fulfill.py b/DeGourou/setup/fulfill.py
index dcd4fd0..f5a9ce6 100644
--- a/DeGourou/setup/fulfill.py
+++ b/DeGourou/setup/fulfill.py
@@ -16,6 +16,8 @@ from .libadobe import sendHTTPRequest_DL2FILE
 from .libadobeFulfill import buildRights, fulfill
 from .libpdf import patch_drm_into_pdf
 
+
+maxlen = 60 # probably a good middle ground? will work on ext3/4, ntfs, win10/11 and probably mac
 #######################################################################
 
 
@@ -49,7 +51,7 @@ def download(replyData):
     except: 
         book_name = "Book"
     
-
+    book_name = book_name[0:maxlen]
     # Download eBook: 
 
     print(download_url)