diff --git a/classes/opml.php b/classes/opml.php
index e9a07bb52..0a64272a3 100644
--- a/classes/opml.php
+++ b/classes/opml.php
@@ -97,7 +97,7 @@ class Opml extends Handler_Protected {
 				$html_url_qpart = "";
 			}
 
-			$out .= "<outline text=\"$title\" xmlUrl=\"$url\" $html_url_qpart/>\n";
+			$out .= "<outline type=\"rss\" text=\"$title\" xmlUrl=\"$url\" $html_url_qpart/>\n";
 		}
 
 		if ($cat_title) $out .= "</outline>\n";