diff --git a/test/tests.bats b/test/tests.bats
index 3b310783..986a2271 100644
--- a/test/tests.bats
+++ b/test/tests.bats
@@ -1140,10 +1140,17 @@ EOF
   run repeat_until_success_or_timeout 20 sh -c "docker exec mail sh -c 'doveadm quota get -u quotauser@otherdomain.tld | grep -oP \"(User quota STORAGE\s+[0-9]+\s+)10(.*)\"'"
   assert_success
 
+  # dovecot and postfix has been restarted
+  wait_for_service mail postfix
+  wait_for_service mail dovecot
+  sleep 5
+
   # send some big emails
-  run  docker exec mail /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/quota-exceeded.txt"
-  run  docker exec mail /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/quota-exceeded.txt"
-  run  docker exec mail /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/quota-exceeded.txt"
+  run docker exec mail /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/quota-exceeded.txt"
+  assert_success
+  run docker exec mail /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/quota-exceeded.txt"
+  assert_success
+  run docker exec mail /bin/sh -c "nc 0.0.0.0 25 < /tmp/docker-mailserver-test/email-templates/quota-exceeded.txt"
   assert_success
 
   # check for quota warn message existence