diff --git a/fet2020/posts/managers.py b/fet2020/posts/managers.py
index 2df2bd97..5c649ae1 100644
--- a/fet2020/posts/managers.py
+++ b/fet2020/posts/managers.py
@@ -87,7 +87,7 @@ class ArticleManager(PublishedManager, models.Manager):
         __month = post_date.month
         __year = post_date.year
 
-        if __month != 0:
+        if __month != 1:
             __month -= 1
         else:
             # If the current month is January, you get the date from December of previous year.