diff --git a/src/documents/mail.py b/src/documents/mail.py
index 20098458e..8782e274c 100644
--- a/src/documents/mail.py
+++ b/src/documents/mail.py
@@ -76,7 +76,8 @@ class Message(Loggable):
                 continue
 
             dispositions = content_disposition.strip().split(";")
-            if (not dispositions[0].lower() == "attachment") and ("filename" not in dispositions[1].lower()):
+            if not dispositions[0].lower() == "attachment" and \
+               "filename" not in dispositions[1].lower():
                 continue
 
             file_data = part.get_payload()