diff --git a/nova/api/openstack/placement/requestlog.py b/nova/api/openstack/placement/requestlog.py
index 8b3639e76754..da7be6a37f4a 100644
--- a/nova/api/openstack/placement/requestlog.py
+++ b/nova/api/openstack/placement/requestlog.py
@@ -36,9 +36,10 @@ class RequestLog(object):
         LOG.debug('Starting request: %s "%s %s"',
                   environ['REMOTE_ADDR'], environ['REQUEST_METHOD'],
                    self._get_uri(environ))
-        # Set the accept header if it is not otherwise set. This
+        # Set the accept header if it is not otherwise set or is '*/*'. This
         # ensures that error responses will be in JSON.
-        if not environ.get('HTTP_ACCEPT'):
+        accept = environ.get('HTTP_ACCEPT')
+        if not accept or accept == '*/*':
             environ['HTTP_ACCEPT'] = 'application/json'
         if LOG.isEnabledFor(logging.INFO):
             return self._log_app(environ, start_response)
diff --git a/nova/tests/functional/api/openstack/placement/gabbits/basic-http.yaml b/nova/tests/functional/api/openstack/placement/gabbits/basic-http.yaml
index 162301e90141..28ee38210bac 100644
--- a/nova/tests/functional/api/openstack/placement/gabbits/basic-http.yaml
+++ b/nova/tests/functional/api/openstack/placement/gabbits/basic-http.yaml
@@ -184,3 +184,13 @@ tests:
   response_forbidden_headers:
       - last-modified
       - cache-control
+
+- name: test starred accept and errors
+  GET: /resource_providers/foo
+  request_headers:
+      accept: "*/*"
+  status: 404
+  response_headers:
+      content-type: application/json
+  response_json_paths:
+      $.errors[0].title: Not Found