diff --git a/tests/base.py b/tests/base.py
index 4d358c9..a0a986a 100755
--- a/tests/base.py
+++ b/tests/base.py
@@ -996,6 +996,7 @@
                     provider='test-provider',
                     region='test-region',
                     az='test-az',
+                    interface_ip='127.0.0.1',
                     public_ipv4='127.0.0.1',
                     private_ipv4=None,
                     public_ipv6=None,