diff --git a/calendar/teachingdates/config/cli.py b/calendar/teachingdates/config/cli.py
index 83e080d..a9467a9 100644
--- a/calendar/teachingdates/config/cli.py
+++ b/calendar/teachingdates/config/cli.py
@@ -146,7 +146,7 @@
     elif args.style == "lecture":
         # --end-of-week is irrelevant
         if args.end_of_week is not None:
-            args.end_of_week = 0
+            args.end_of_week = None
             print("{prog}: warning: --end-of-week/-e is ignored for 'lecture' "
                   "style".format(prog=PROG))
         # both --paper and --teaching-period are required
@@ -161,7 +161,7 @@
 
     # Can't set default week offset until after error processing above,
     # otherwise it generates a spurious warning in 'lecture' style.
-    if args.style != "lecture" and args.end_of_week is None:
+    if args.end_of_week is None:
         args.end_of_week = 4
 
     return args