diff --git a/calendar/teachingdates/calendars/basecalendar.py b/calendar/teachingdates/calendars/basecalendar.py
index c978b6f..75182d4 100644
--- a/calendar/teachingdates/calendars/basecalendar.py
+++ b/calendar/teachingdates/calendars/basecalendar.py
@@ -69,6 +69,8 @@
                 self.mondays[-1].isocalendar()[1] # last ISO week
             ]}])
         self.calendars["iso"] = self.generate_calendar("iso")
+        if self.config.paper:
+            self.update_lectures(self.config.get_paper_config(self.config.paper))
 
         # print("mondays (__init__): ", self.mondays)
         # print("period_weeks (__init__): ", self.period_weeks)
@@ -148,7 +150,7 @@
         return weeks
 
     def update_lectures(self, lecture_list):
-        for l in lecture_list:
+        for l in lecture_list["lectures"]:
             for t, v in l.items():
                 if t == "offsets":
                     self.lecture_offsets = v
@@ -187,7 +189,7 @@
     def lecture_dates(self):
         dates = {}
         lecture_num = 1
-        teaching_weeks = [t for t in self.weeks if isinstance(t, TeachingWeek)]
+        teaching_weeks = [t for t in self.calendars[self.config.period].values() if isinstance(t, TeachingWeek)]
         for week_index, monday in enumerate(teaching_weeks):
             for offset_index, offset in enumerate(self.lecture_offsets):
                 lec = week_index * 2 + offset_index + 1