diff --git a/maloja/monkey.py b/maloja/monkey.py
index cfd8529..f4780b4 100644
--- a/maloja/monkey.py
+++ b/maloja/monkey.py
@@ -57,10 +57,10 @@ class expandeddate(date):
 			firstdayofyear = datetime.date(y,1,1)
 			wkday = firstdayofyear.isoweekday()
 			if wkday <= 4: # day up to thursday -> this week belongs to the new year
-				firstisodayofyear = firstdayofyear - timedelta(days=wkday) #this alos shifts to sunday first weeks
+				firstisodayofyear = firstdayofyear - timedelta(days=wkday) #this also shifts to sunday-first weeks
 			else: # if not, still old year
 				firstisodayofyear = firstdayofyear + timedelta(days=7-wkday) #same
-			return firstisodayofyear + timedelta(days=(w-1)*7) + timedelta(days=d)
+			return firstisodayofyear + timedelta(days=(w-1)*7) + timedelta(days=d-1)