diff --git a/setup/fulfill.py b/setup/fulfill.py
index bfe02c5..ff657cc 100644
--- a/setup/fulfill.py
+++ b/setup/fulfill.py
@@ -47,6 +47,7 @@ def download(replyData):
     try: 
         metadata_node = adobe_fulfill_response.find("./%s/%s/%s" % (adNS("fulfillmentResult"), adNS("resourceItemInfo"), adNS("metadata")))
         book_name = metadata_node.find("./%s" % (adDC("title"))).text
+        book_name = ''.join([c for c in book_name if c not in '\/:*?"<>|'])
     except: 
         book_name = "Book"