Remove the `.Provider.` bit.
diff --git a/openstack/compute/v2/flavors/requests.go b/openstack/compute/v2/flavors/requests.go
index b77a79a..95eb7f9 100644
--- a/openstack/compute/v2/flavors/requests.go
+++ b/openstack/compute/v2/flavors/requests.go
@@ -66,7 +66,7 @@
 	var gr GetResult
 	gr.Err = perigee.Get(getURL(client, id), perigee.Options{
 		Results:     &gr.Body,
-		MoreHeaders: client.Provider.AuthenticatedHeaders(),
+		MoreHeaders: client.AuthenticatedHeaders(),
 	})
 	return gr
 }