diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 6affc8c..e5d4954 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -48,7 +48,7 @@
   {{ if (isset $.Site.Params.Twitter "site") }}
     <meta name="twitter:site" content="{{ $.Site.Params.Twitter.site }}" />
   {{ end }}
-    <meta name="twitter:creator" content="{{ if .IsHome }}{{ $.Site.Params.Twitter.creator }}{{ else if isset .Params "authortwitter" }}{{ .Params.authorTwitter }}{{ else }}{{ $.Param "author" }}{{ end }}" />
+    <meta name="twitter:creator" content="{{ if .IsHome }}{{ $.Site.Params.Twitter.creator }}{{ else if $.Param "authortwitter" }}{{ $.Param "authorTwitter" }}{{ else }}{{ $.Param "author" }}{{ end }}" />
 {{ end }}
 
 <!-- OG data -->