diff --git a/masakari/api/openstack/wsgi.py b/masakari/api/openstack/wsgi.py
index fb4648b0..7a14eea2 100644
--- a/masakari/api/openstack/wsgi.py
+++ b/masakari/api/openstack/wsgi.py
@@ -183,7 +183,7 @@ class Request(wsgi.Request):
     def set_api_version_request(self):
         """Set API version request based on the request header information."""
         hdr_string = microversion_parse.get_version(
-            self.headers, service_type='masakari')
+            self.headers, service_type='instance-ha')
 
         if hdr_string is None:
             self.api_version_request = api_version.APIVersionRequest(
@@ -1059,7 +1059,7 @@ class Fault(webob.exc.HTTPException):
 
         if not req.api_version_request.is_null():
             self.wrapped_exc.headers[API_VERSION_REQUEST_HEADER] = \
-                'masakari ' + req.api_version_request.get_string()
+                'instance-ha ' + req.api_version_request.get_string()
             self.wrapped_exc.headers.add('Vary', API_VERSION_REQUEST_HEADER)
 
         self.wrapped_exc.content_type = 'application/json'
diff --git a/masakari/tests/unit/api/openstack/test_wsgi.py b/masakari/tests/unit/api/openstack/test_wsgi.py
index f91afd37..aa54eb76 100644
--- a/masakari/tests/unit/api/openstack/test_wsgi.py
+++ b/masakari/tests/unit/api/openstack/test_wsgi.py
@@ -37,7 +37,7 @@ class MicroversionedTest(testscenarios.WithScenarios, test.NoDBTestCase):
     header_name = 'OpenStack-API-Version'
 
     def _make_microversion_header(self, value):
-        return {self.header_name: value}
+        return {self.header_name: 'instance-ha %s' % value}
 
 
 class RequestTest(MicroversionedTest):
@@ -138,6 +138,12 @@ class RequestTest(MicroversionedTest):
         self.assertEqual(api_version.APIVersionRequest("1.0"),
                          request.api_version_request)
 
+    def test_api_version_request_header_invalid(self):
+        request = wsgi.Request.blank('/')
+        request.headers = self._make_microversion_header('1.1.1')
+        self.assertRaises(exception.InvalidAPIVersionString,
+                          request.set_api_version_request)
+
 
 class ActionDispatcherTest(test.NoDBTestCase):
     def test_dispatch(self):