diff --git a/hosting/management/commands/fetch_stripe_bills.py b/hosting/management/commands/fetch_stripe_bills.py
index e6dd9536..2a37ed61 100644
--- a/hosting/management/commands/fetch_stripe_bills.py
+++ b/hosting/management/commands/fetch_stripe_bills.py
@@ -31,7 +31,7 @@ class Command(BaseCommand):
                         # fetch only invoices which is created after
                         # mhb.created, because we already have invoices till
                         # this date
-                        created_gt = {'gt': mhb.created.timestamp()}
+                        created_gt = {'gt': int(mhb.created.timestamp())}
 
                     all_invoices_response = stripe_utils.get_all_invoices(
                         user.stripecustomer.stripe_id,