diff --git a/hugo.toml b/hugo.toml
index 7f2fc693..20785f27 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -32,6 +32,8 @@ post_date_format = ':date_long'
 post_thumbnail = true
 post_thumbnail_placeholder = ""
 post_thumbnail_default = "images/thumbnail.png"
+list_cols_md = 2
+list_cols_lg = 3 # won't work when sidebar was enabled.
 
 [params.hb.blog.archives]
 paginate = 30
diff --git a/layouts/partials/hb/modules/blog/functions/list-cols.html b/layouts/partials/hb/modules/blog/functions/list-cols.html
new file mode 100644
index 00000000..32f9c9a5
--- /dev/null
+++ b/layouts/partials/hb/modules/blog/functions/list-cols.html
@@ -0,0 +1,5 @@
+{{- $cols := printf "row-cols-1 row-cols-md-%d" (default 2 site.Params.hb.blog.list_cols_md) }}
+{{- if not (partialCached "hb/modules/blog/functions/has-sidebar" .) }}
+  {{- $cols = printf "%s row-cols-lg-%d" $cols (default 3 site.Params.hb.blog.list_cols_lg) }}
+{{- end }}
+{{- return $cols }}
diff --git a/layouts/partials/hb/modules/blog/index.html b/layouts/partials/hb/modules/blog/index.html
index 131bc455..9ccdf9fa 100644
--- a/layouts/partials/hb/modules/blog/index.html
+++ b/layouts/partials/hb/modules/blog/index.html
@@ -28,10 +28,7 @@
       {{ partialCached "hb/modules/blog/home/taxonomies" . }}
     {{- end }}
     {{- with .Paginator }}
-      {{- $cols := "row-cols-1 row-cols-md-2" }}
-      {{- if not (partialCached "hb/modules/blog/functions/has-sidebar" .) }}
-        {{- $cols = printf "%s row-cols-lg-3" $cols }}
-      {{- end }}
+      {{- $cols := partialCached "hb/modules/blog/functions/list-cols" . }}
       {{ partial "hb/modules/blog/posts" (dict "Pages" .Pages "Cols" $cols) }}
       {{ partial "hb/modules/pagination/index" . }}
     {{- end }}
diff --git a/layouts/partials/hb/modules/blog/list.html b/layouts/partials/hb/modules/blog/list.html
index 630e676e..003f2aae 100644
--- a/layouts/partials/hb/modules/blog/list.html
+++ b/layouts/partials/hb/modules/blog/list.html
@@ -1,10 +1,7 @@
 <div class="hb-blog-main-container">
   <div class="hb-blog-main">
     {{ partial "hugopress/functions/render-hooks" (dict "Name" "hb-blog-main-begin" "Page" .) }}
-    {{- $cols := "row-cols-1 row-cols-md-2" }}
-    {{- if not (partialCached "hb/modules/blog/functions/has-sidebar" .) }}
-      {{- $cols = printf "%s row-cols-lg-3" $cols }}
-    {{- end }}
+    {{- $cols := partialCached "hb/modules/blog/functions/list-cols" . }}
     {{ partial "hb/modules/blog/posts" (dict "Pages" .Paginator.Pages "Cols" $cols) }}
     {{ partial "hb/modules/pagination/index" .Paginator }}
     {{ partial "hugopress/functions/render-hooks" (dict "Name" "hb-blog-main-end" "Page" .) }}