diff --git a/components/expand-data.js b/components/expand-data.js
index 9f3aa46..12dfde1 100644
--- a/components/expand-data.js
+++ b/components/expand-data.js
@@ -1,5 +1,7 @@
 export default function(dom, data) {
 
+    data.authors = data.authors || [];
+
     // paths
     //data.distillPath = post.distillPath;
     //data.githubPath = post.githubPath;
diff --git a/components/meta.js b/components/meta.js
index 8ce9753..891c17b 100644
--- a/components/meta.js
+++ b/components/meta.js
@@ -48,14 +48,18 @@ export default function(dom, data) {
     <meta name="citation_fulltext_html_url" content="${data.url}">
     <meta name="citation_volume" content="${data.volume}">
     <meta name="citation_issue" content="${data.issue}">
-    <meta name="citation_journal_title" content="${data.journal.name}">
-    <meta name="citation_journal_abbrev" content="${data.journal.nameAbbrev}"/>
     <meta name="citation_firstpage" content="e${data.doiSuffix}"/>
     <meta name="citation_doi" content="${data.doi}">
-    <meta name="citation_issn" content="${data.journal.issn}">
-    <meta name="citation_publisher" content="${data.journal.publisher}"/>
   `);
-  data.authors.forEach((a) => {
+  if (data.journal) {
+    appendHtml(head, `
+      <meta name="citation_journal_title" content="${data.journal.name}">
+      <meta name="citation_journal_abbrev" content="${data.journal.nameAbbrev}"/>
+      <meta name="citation_issn" content="${data.journal.issn}">
+      <meta name="citation_publisher" content="${data.journal.publisher}"/>
+    `);
+  }
+  (data.authors || []).forEach((a) => {
     appendHtml(head, `
       <meta name="citation_author" content="${a.lastName}, ${a.firstName}" />
       <meta name="citation_author_institution" content="${a.affiliation}"/>