diff --git a/plugins/views_plugin_row_rss_fields.inc b/plugins/views_plugin_row_rss_fields.inc
index 7e43ce6..87f54ae 100644
--- a/plugins/views_plugin_row_rss_fields.inc
+++ b/plugins/views_plugin_row_rss_fields.inc
@@ -105,6 +105,15 @@ class views_plugin_row_rss_fields extends views_plugin_row {
     if (!isset($row_index)) {
       $row_index = 0;
     }
+    if (function_exists('rdf_get_namespaces')) {
+      // Merge RDF namespaces in the XML namespaces in case they are used
+      // further in the RSS content.
+      $xml_rdf_namespaces = array();
+      foreach (rdf_get_namespaces() as $prefix => $uri) {
+        $xml_rdf_namespaces['xmlns:' . $prefix] = $uri;
+      }
+      $this->view->style_plugin->namespaces += $xml_rdf_namespaces;
+    }
 
     $item = new stdClass();
     $item->title = $this->get_field($row_index, $this->options['title_field']);