diff --git a/queue_message/appointmentrequestsender.py b/queue_message/appointmentrequestsender.py
index ce931ad..df45dfc 100644
--- a/queue_message/appointmentrequestsender.py
+++ b/queue_message/appointmentrequestsender.py
@@ -220,7 +220,7 @@ class AppointmentRequestSender(threading.Thread):
             else:
                 self.retrieve_invalidate_urls()
                 self.logger.info("empty list")
-                time.sleep(30)
+                time.sleep(10)
                 self.logger.info("will basic_reject method.delivery_tag: " + str(method.delivery_tag))
                 ch.basic_reject(delivery_tag=method.delivery_tag, requeue=True)
         else: