diff --git a/layouts/_default/rss.xml b/layouts/_default/rss.xml
index 855df30ae93..0abed625475 100644
--- a/layouts/_default/rss.xml
+++ b/layouts/_default/rss.xml
@@ -11,15 +11,7 @@
 {{- end }}
 
 {{- /* Deprecate site.Author.name in favor of site.Params.author.name */}}
-{{- $authorName := "" }}
-{{- if and .Site.Params.author (reflect.IsMap .Site.Params.author) .Site.Params.author.name }}
-  {{- $authorName = .Site.Params.author.name }}
-{{- else }}
-  {{- with .Site.Author.name }}
-    {{- $authorName = . }}
-    {{- warnf "The author key in site configuration is deprecated. Use params.author.name instead." }}
-  {{- end }}
-{{- end }}
+{{- $authorName := partialCached "authorname.hugo" . }}
 
 {{- $pages := .Page.Pages }}
 {{- $limit := .Site.Config.Services.RSS.Limit }}
diff --git a/layouts/partials/authorname.hugo b/layouts/partials/authorname.hugo
new file mode 100644
index 00000000000..1fcd62e2761
--- /dev/null
+++ b/layouts/partials/authorname.hugo
@@ -0,0 +1,17 @@
+{{- $authorName := "" }}
+{{- if .Site.Params.author }}
+	{{- if reflect.IsMap .Site.Params.author }}
+	{{- with .Site.Params.author.name }}
+		{{- $authorName = . }}
+	{{- end }}
+	{{- else }}
+	{{- warnf "%q: DEPRECATED usage of 'params.author' config parameter found, replace it with `params.author.name` in your config.toml; see https://mcshelby.github.io/hugo-theme-relearn/basics/migration/#5230" .File.Path }}
+	{{- $authorName = .Site.Params.author }}
+	{{- end }}
+{{- else }}
+	{{- with .Site.Author.name }}
+	{{- $authorName = . }}
+	{{- warnf "The author key in site configuration is deprecated. Use params.author.name instead." }}
+	{{- end }}
+{{- end }}
+{{- return $authorName }}
\ No newline at end of file
diff --git a/layouts/partials/meta.html b/layouts/partials/meta.html
index d9ae09921cb..1c49d99fdc1 100644
--- a/layouts/partials/meta.html
+++ b/layouts/partials/meta.html
@@ -14,22 +14,7 @@
     <meta name="robots" content="noindex, nofollow, noarchive, noimageindex">
     {{- end }}
     <meta name="description" content="{{ with .Description }}{{ . }}{{ else }}{{ with .Site.Params.description }}{{ . }}{{ end }}{{ end }}">
-    {{- $authorName := "" }}
-    {{- if .Site.Params.author }}
-      {{- if reflect.IsMap .Site.Params.author }}
-        {{- with .Site.Params.author.name }}
-          {{- $authorName = . }}
-        {{- end }}
-      {{- else }}
-        {{- warnf "According to Hugo 0.120.0 the author key in params configuration should now be a map and contain of name and email fields." }}
-        {{- $authorName = .Site.Params.author }}
-      {{- end }}
-    {{- else }}
-      {{- with .Site.Author.name }}
-        {{- $authorName = . }}
-        {{- warnf "The author key in site configuration is deprecated. Use params.author.name instead." }}
-      {{- end }}
-    {{- end }}
+    {{- $authorName := partialCached "authorname.hugo" . }}
     <meta name="author" content="{{ $authorName }}">
     {{- partial "twitter_cards.html" . }}
     {{- partial "opengraph.html" . }}
\ No newline at end of file