Moving IDs back to strings
diff --git a/openstack/compute/v2/extensions/defsecrules/urls.go b/openstack/compute/v2/extensions/defsecrules/urls.go
index 07244f7..cc928ab 100644
--- a/openstack/compute/v2/extensions/defsecrules/urls.go
+++ b/openstack/compute/v2/extensions/defsecrules/urls.go
@@ -1,15 +1,11 @@
 package defsecrules
 
-import (
-	"strconv"
-
-	"github.com/rackspace/gophercloud"
-)
+import "github.com/rackspace/gophercloud"
 
 const rulepath = "os-security-group-default-rules"
 
-func resourceURL(c *gophercloud.ServiceClient, id int) string {
-	return c.ServiceURL(rulepath, strconv.Itoa(id))
+func resourceURL(c *gophercloud.ServiceClient, id string) string {
+	return c.ServiceURL(rulepath, id)
 }
 
 func rootURL(c *gophercloud.ServiceClient) string {