diff --git a/layouts/_default/baseof.html b/layouts/_default/baseof.html
index 946d556..710cb92 100644
--- a/layouts/_default/baseof.html
+++ b/layouts/_default/baseof.html
@@ -6,7 +6,7 @@
 </head>
 
 <body
-    class="{{ if eq .Kind `page` }}single{{ else }}list{{ if .IsHome }} home {{ end }}{{ end }}{{ if eq $.Site.Params.defaultTheme `dark` }} dark {{ end }}">
+    class="{{ if (and (eq .Kind `page` ) (ne .Layout `archives`)) }}single{{ else }}list{{ if .IsHome }} home {{ end }}{{ end }}{{ if eq $.Site.Params.defaultTheme `dark` }} dark {{ end }}">
     {{- partial "header.html" . }}
     <main class=" main">
         {{- block "main" . }}
