diff --git a/caddy/module.go b/caddy/module.go
index 21293cf2f1..cf7fa7a63f 100644
--- a/caddy/module.go
+++ b/caddy/module.go
@@ -331,18 +331,13 @@ const namedRouteServerIndexBase = 1 << 20
 
 func (f *FrankenPHPModule) assignServerIndex(h httpcaddyfile.Helper) {
 	counter, ok := h.State["php_server_count"].(int)
-	if !ok && inNamedRoute(h) {
+	if !ok && h.IsNamedRoute() {
 		counter = namedRouteServerIndexBase
 	}
 	f.ServerIndex = counter + 1
 	h.State["php_server_count"] = counter + 1
 }
 
-// inNamedRoute relies on Caddy setting the named_routes option only once all named routes are adapted
-func inNamedRoute(h httpcaddyfile.Helper) bool {
-	return h.Option("named_routes") == nil
-}
-
 // parseCaddyfile unmarshals tokens from h into a new Middleware.
 func parseCaddyfile(h httpcaddyfile.Helper) (caddyhttp.MiddlewareHandler, error) {
 	m := &FrankenPHPModule{}