diff --git a/module/VuFind/src/VuFind/XSLT/Import/VuFindSitemap.php b/module/VuFind/src/VuFind/XSLT/Import/VuFindSitemap.php
index d38a47416a48f663bb709ac2d53cdd67541e7bae..0b60addb5f8c7906739c0fbcf707d822612cdd8f 100644
--- a/module/VuFind/src/VuFind/XSLT/Import/VuFindSitemap.php
+++ b/module/VuFind/src/VuFind/XSLT/Import/VuFindSitemap.php
@@ -232,7 +232,7 @@ class VuFindSitemap extends VuFind
     {
         $parser = static::getParser();
         if ($parser == 'None') {
-            return '';
+            return array();
         }
 
         // Grab the HTML and write it to disk: