diff --git a/blazar/plugins/oshosts/host_plugin.py b/blazar/plugins/oshosts/host_plugin.py
index fa5d1294..cde1dae9 100644
--- a/blazar/plugins/oshosts/host_plugin.py
+++ b/blazar/plugins/oshosts/host_plugin.py
@@ -669,6 +669,7 @@ class PhysicalHostMonitorPlugin(base.BaseMonitorPlugin,
             cls._instance = super(PhysicalHostMonitorPlugin, cls).__new__(cls)
             cls._instance.healing_handlers = []
             super(PhysicalHostMonitorPlugin, cls._instance).__init__(
+                username=CONF.os_admin_username,
                 password=CONF.os_admin_password,
                 user_domain_name=CONF.os_admin_user_domain_name,
                 project_name=CONF.os_admin_project_name,
diff --git a/blazar/tests/plugins/oshosts/test_physical_host_plugin.py b/blazar/tests/plugins/oshosts/test_physical_host_plugin.py
index 10b30ce5..69d3a7f7 100644
--- a/blazar/tests/plugins/oshosts/test_physical_host_plugin.py
+++ b/blazar/tests/plugins/oshosts/test_physical_host_plugin.py
@@ -1886,11 +1886,13 @@ class PhysicalHostMonitorPluginTestCase(tests.TestCase):
         # reset the singleton at first
         host_plugin.PhysicalHostMonitorPlugin._instance = None
         self.cfg = self.useFixture(conf_fixture.Config(CONF))
+        self.cfg.config(os_admin_username='fake-user')
         self.cfg.config(os_admin_password='fake-passwd')
         self.cfg.config(os_admin_user_domain_name='fake-user-domain')
         self.cfg.config(os_admin_project_name='fake-pj-name')
         self.cfg.config(os_admin_project_domain_name='fake-pj-domain')
         self.host_monitor_plugin = host_plugin.PhysicalHostMonitorPlugin()
+        self.assertEqual('fake-user', self.host_monitor_plugin.username)
         self.assertEqual("fake-passwd", self.host_monitor_plugin.password)
         self.assertEqual("fake-user-domain",
                          self.host_monitor_plugin.user_domain_name)