2 files changed, 2 insertions, 3 deletions

diff --git a/main.py b/main.py
index fc3069b..d6ebe3d 100644
--- a/main.py
+++ b/main.py
@@ -49,8 +49,7 @@ ban_db_wrapper = BanDBWrapper(ban_db)
 # HISTOGRAM
 
 ban_durations = ban_db_wrapper.get_all_durations()
-duration_bins = [round(365 / 12 * x) for x in range(1, 50 + 2)]
-(ban_durations_bars, bins) = np.histogram(ban_durations, bins=duration_bins)
+(ban_durations_bars, bins) = np.histogram(ban_durations, bins=range(1, 50 + 2))
 
 bar_chart = pygal.Bar(legend_at_bottom=True)
 bar_chart.title = "Active Wikipedia bans by duration (%d samples)" % len(ban_db.list())
diff --git a/wikibania/ban/Ban.py b/wikibania/ban/Ban.py
index e06ca89..c6a55b4 100644
--- a/wikibania/ban/Ban.py
+++ b/wikibania/ban/Ban.py
@@ -28,7 +28,7 @@ class Ban:
         self.expiry = datetime.strptime(ban_dict["expiry"], ISO_TIMESTAMP)
 
     def calc_duration(self):
-        return (self.expiry - self.timestamp).days
+        return (self.expiry - self.timestamp).days / round(365 / 12)
 
     def lookup_country_code(self):
         try: