diff --git a/qlfile.lock b/qlfile.lock
index 9953060..949a250 100644
--- a/qlfile.lock
+++ b/qlfile.lock
@@ -17,7 +17,7 @@
 ("piccolo" .
  (:class qlot/source/git:source-git
   :initargs (:remote-url "https://github.com/skyizwhite/piccolo.git")
-  :version "git-4fd887fc1bff812f10e57aca8011166f0b6a8c6d"))
+  :version "git-1f588b8a62b408067f8ea3a2045058dd94fd8047"))
 ("ningle-fbr" .
  (:class qlot/source/git:source-git
   :initargs (:remote-url "https://github.com/skyizwhite/ningle-fbr.git")
diff --git a/src/view/renderer.lisp b/src/view/renderer.lisp
index 825408d..3f679b7 100644
--- a/src/view/renderer.lisp
+++ b/src/view/renderer.lisp
@@ -9,7 +9,7 @@
 
 (pi:define-element stylesheets (hrefs)
   (pi:h
-    (<> '()
+    (<>
       (mapcar (lambda (href)
                 (link :rel "stylesheet" :type "text/css" :href href))
               hrefs))))