diff --git a/molecule/ec2-centos-7/tests/test_default.py b/molecule/ec2-centos-7/tests/test_default.py
index dfc4b52..f68c95d 100644
--- a/molecule/ec2-centos-7/tests/test_default.py
+++ b/molecule/ec2-centos-7/tests/test_default.py
@@ -22,6 +22,7 @@ def test_mosquitto_running_and_enabled(host):
 
 def test_mosquitto_socket(host):
     # Verify the socket is listening for HTTP traffic
-    ansible_vars = host.ansible.get_variables()
-    assert host.socket("tcp://{}:8883".format(
-        ansible_vars['ansible_default_ipv4']['address'])).is_listening
+    inventory = yaml.load(open(host.backend.ansible_inventory))
+    address = inventory['all']['hosts']['bind_host']['ansible_host']
+    assert host.socket(
+        "tcp://{address}:8883".format(address=address).is_listening