diff --git a/oslo_utils/netutils.py b/oslo_utils/netutils.py
index 7849ca6d..41587f26 100644
--- a/oslo_utils/netutils.py
+++ b/oslo_utils/netutils.py
@@ -152,6 +152,8 @@ def _get_my_ipv4_address():
     except (KeyError, IndexError):
         LOG.info(_LI('Could not determine default network interface, '
                      'using 127.0.0.1 for IPv4 address'))
+        return LOCALHOST
+
     try:
         return netifaces.ifaddresses(interface)[netifaces.AF_INET][0]['addr']
     except (KeyError, IndexError):
diff --git a/oslo_utils/tests/test_netutils.py b/oslo_utils/tests/test_netutils.py
index 790104f7..7e1b5459 100644
--- a/oslo_utils/tests/test_netutils.py
+++ b/oslo_utils/tests/test_netutils.py
@@ -222,3 +222,12 @@ class NetworkUtilsTest(test_base.BaseTestCase):
             ifaddr.return_value = {}
             addr = netutils._get_my_ipv4_address()
         self.assertEqual('127.0.0.1', addr)
+
+    @mock.patch('netifaces.gateways')
+    @mock.patch('netifaces.ifaddresses')
+    def test_get_my_ipv4_address_without_default_interface(
+            self, ifaddr, gateways):
+        gateways.return_value = {}
+        addr = netutils._get_my_ipv4_address()
+        self.assertEqual('127.0.0.1', addr)
+        self.assertFalse(ifaddr.called)