diff --git a/source/css/_layout/aside.styl b/source/css/_layout/aside.styl
index bc1675a..5d7e6ca 100644
--- a/source/css/_layout/aside.styl
+++ b/source/css/_layout/aside.styl
@@ -403,7 +403,7 @@
 
   if hexo-config('aside.card_archives.sort_order')
     .card-archives
-      order: hexo-config('aside.card-archives.sort_order')
+      order: hexo-config('aside.card_archives.sort_order')
 
   if hexo-config('aside.card_webinfo.sort_order')
     .card-webinfo