Base a pagination.PageResult on gophercloud.Result.
diff --git a/openstack/blockstorage/v1/apiversions/requests.go b/openstack/blockstorage/v1/apiversions/requests.go
index 63ed76a..a56f249 100644
--- a/openstack/blockstorage/v1/apiversions/requests.go
+++ b/openstack/blockstorage/v1/apiversions/requests.go
@@ -9,7 +9,7 @@
 
 // List lists all the Cinder API versions available to end-users.
 func List(c *gophercloud.ServiceClient) pagination.Pager {
-	return pagination.NewPager(c, listURL(c), func(r pagination.LastHTTPResponse) pagination.Page {
+	return pagination.NewPager(c, listURL(c), func(r pagination.PageResult) pagination.Page {
 		return APIVersionPage{pagination.SinglePageBase(r)}
 	})
 }