diff --git a/bibtexbrowser-test.php b/bibtexbrowser-test.php
index ce9e8d6..85a157d 100755
--- a/bibtexbrowser-test.php
+++ b/bibtexbrowser-test.php
@@ -405,6 +405,9 @@ class BTBTest extends PHPUnit_Framework_TestCase {
     $this->assertEquals("à Book",$dis->getTitle());
     $this->assertEquals("Jé Lo",$dis->getFormattedAuthorsString());
 
+    // ensure that it is comma separated, used for metadata
+    $this->assertEquals("Lo, Jé",$dis->getArrayOfCommaSeparatedAuthors()[0]);
+
     bibtexbrowser_configure('BIBTEXBROWSER_USE_LATEX2HTML', false);
     $test_data = fopen('php://memory','x+');
     fwrite($test_data, $bibtex);
diff --git a/bibtexbrowser.php b/bibtexbrowser.php
index 663070a..bd54255 100755
--- a/bibtexbrowser.php
+++ b/bibtexbrowser.php
@@ -1582,10 +1582,13 @@ class BibEntry {
     return $authors;
   }
 
-  /** Returns the authors of this entry as an array in a comma-separated form */
+  /** Returns the authors of this entry as an array in a comma-separated form
+   * Mostly used to create meta tags (eg <meta>
+   */
   function getArrayOfCommaSeparatedAuthors() {
     $authors = array();
     foreach ($this->getRawAuthors() as $author) {
+      $author = $this->transformValue($author);
       $authors[]=$this->formatAuthorCommaSeparated($author);
     }
     return $authors;