diff --git a/boot.py b/boot.py
index 4e51816de..a195b3ef6 100644
--- a/boot.py
+++ b/boot.py
@@ -42,8 +42,8 @@ def create_quay_service_key():
   Creates a service key for quay to use in the jwtproxy
   """
   minutes_until_expiration = app.config.get('QUAY_SERVICE_KEY_EXPIRATION', 120)
-  expiration = timedelta(minutes=minutes_until_expiration)
-  quay_key, key_id = generate_key('quay', get_audience(), datetime.now() + expiration)
+  expiration = datetime.now() + timedelta(minutes=minutes_until_expiration)
+  quay_key, key_id = generate_key('quay', get_audience(), expiration_date=expiration)
 
   with open('/conf/quay.kid', mode='w') as f:
     f.truncate(0)