diff --git a/openstack/identity/v3/tokens/requests.go b/openstack/identity/v3/tokens/requests.go
index 12930f9..856c363 100644
--- a/openstack/identity/v3/tokens/requests.go
+++ b/openstack/identity/v3/tokens/requests.go
@@ -285,7 +285,9 @@
 		r.Err = err
 		return
 	}
-	resp, err := c.Post(tokenURL(c), b, &r.Body, nil)
+	resp, err := c.Post(tokenURL(c), b, &r.Body, &gophercloud.RequestOpts{
+		MoreHeaders: map[string]string{"X-Auth-Token": ""},
+	})
 	if resp != nil {
 		r.Err = err
 		r.Header = resp.Header