diff --git a/bl-plugins/rss/plugin.php b/bl-plugins/rss/plugin.php
index c2fce8af..3041b241 100644
--- a/bl-plugins/rss/plugin.php
+++ b/bl-plugins/rss/plugin.php
@@ -76,7 +76,7 @@ class pluginRSS extends Plugin {
 				$xml .= '<title>'.$page->title().'</title>';
 				$xml .= '<link>'.$this->urlRSS($page->permalink()).'</link>';
 				$xml .= '<description>'.Sanitize::html($page->contentBreak()).'</description>';
-				$xml .= '<pubDate>'.date('r',strtotime($page->getValue('dateRaw'))).'</pubDate>';
+				$xml .= '<pubDate>'.date(DATE_RSS,strtotime($page->getValue('dateRaw'))).'</pubDate>';
 				$xml .= '<guid isPermaLink="false">'.$page->uuid().'</guid>';
 				$xml .= '</item>';
 			} catch (Exception $e) {