diff --git a/test/test_ipam.py b/test/test_ipam.py
index fbc97095aaf77e9bd78fac64f816e2ac81cf2cee..ee36b71c91b0c7b64f9f935cde5946247a9f5cc6 100644
--- a/test/test_ipam.py
+++ b/test/test_ipam.py
@@ -13,8 +13,7 @@ def test_new_service_networks(data_config_filename):
         method=responses.POST,
         url=re.compile(r'.*/wapi.*/network.*'),
         json={
-            '_ref': 'network/ZG5zLm5ldHdvcmskMTAuMjU1LjI1NS4yMC8zMi8w:10.255.2'
-                    '55.20/32/default',  # noqa: E501
+            '_ref': 'network/ZG5zLm5ldHdvcmskMTAuMjU1LjI1NS4yMC8zMi8w:10.255.255.20/32/default',  # noqa: E501
             'network': '10.255.255.20/32'
         }
     )
@@ -23,8 +22,7 @@ def test_new_service_networks(data_config_filename):
         method=responses.POST,
         url=re.compile(r'.*/wapi.*/ipv6network.*'),
         json={
-            '_ref': 'ipv6network/ZG5zLm5ldHdvcmskZGVhZDpiZWVmOjoxOC8xMjgvMA:de'
-                    'ad%3Abeef%3A%3A18/128/default',  # noqa: E501
+            '_ref': 'ipv6network/ZG5zLm5ldHdvcmskZGVhZDpiZWVmOjoxOC8xMjgvMA:dead%3Abeef%3A%3A18/128/default',  # noqa: E501
             'network': 'dead:beef::18/128'
         }
     )