diff --git a/racketmq/private/util.rkt b/racketmq/private/util.rkt
index 5a42a8c..792e717 100644
--- a/racketmq/private/util.rkt
+++ b/racketmq/private/util.rkt
@@ -147,4 +147,4 @@
 (define (canonical-url baseurl path)
   (define b (url->resource (string->url baseurl)))
   (url->string (resource->url (struct-copy web-resource b
-                                [path (append-url-path (web-resource-path b) path)]))))
+                                [path (append-resource-path (web-resource-path b) path)]))))