diff --git a/app/event/models.py b/app/event/models.py
index 38e9f80..d85dfdf 100644
--- a/app/event/models.py
+++ b/app/event/models.py
@@ -45,6 +45,8 @@ class Event(models.Model):
         while len(start) < 3:
             start.append(1)
             start_only_month = True
+        start = [int(p) for p in start]
+        end = [int(p) for p in end]:
 
         display_date = datetime(*start).strftime('%d %B, $y')
         if start_only_month: