diff --git a/nsupdate/api/_tests/test_api.py b/nsupdate/api/_tests/test_api.py
index 6ee07dc..07b3e02 100644
--- a/nsupdate/api/_tests/test_api.py
+++ b/nsupdate/api/_tests/test_api.py
@@ -2,6 +2,8 @@
 Tests for api package.
 """
 
+import time
+
 from django.core.urlresolvers import reverse
 
 from nsupdate.main.dnstools import query_ns, FQDN
@@ -123,6 +125,8 @@ def test_nic_update_authorized_update_other_services(client):
     assert response.status_code == 200
     # must be good (was different IP)
     assert response.content == b'good 1.2.3.4'
+    # test below was sometimes failing, give other service n seconds to process the update:
+    time.sleep(1.0)
     # now check if it updated the other service also:
     assert query_ns(TEST_HOST_OTHER, 'A') == '1.2.3.4'
     response = client.get(reverse('nic_update') + '?myip=2.3.4.5',