diff --git a/nova/tests/fixtures.py b/nova/tests/fixtures.py
index a922aa7dc..35c469212 100644
--- a/nova/tests/fixtures.py
+++ b/nova/tests/fixtures.py
@@ -341,11 +341,11 @@ class OSAPIFixture(fixtures.Fixture):
             'debug': True
         }
         self.useFixture(ConfPatcher(**conf_overrides))
-        osapi = service.WSGIService("osapi_compute")
-        osapi.start()
-        self.addCleanup(osapi.stop)
+        self.osapi = service.WSGIService("osapi_compute")
+        self.osapi.start()
+        self.addCleanup(self.osapi.stop)
         self.auth_url = 'http://%(host)s:%(port)s/%(api_version)s' % ({
-            'host': osapi.host, 'port': osapi.port,
+            'host': self.osapi.host, 'port': self.osapi.port,
             'api_version': self.api_version})
         self.api = client.TestOpenStackClient('fake', 'fake', self.auth_url)
         self.admin_api = client.TestOpenStackClient(