diff --git a/feed.php b/feed.php
index 8f2ac0b4ca797f1998d81018ec78d06f894b2058..f97f98028e12ed07ac67046747ba926df382e9f9 100644
--- a/feed.php
+++ b/feed.php
@@ -20,8 +20,7 @@ $opt = rss_parseOptions();
 
 // the feed is dynamic - we need a cache for each combo
 // (but most people just use the default feed so it's still effective)
-$cache = getCacheName(join('', array_values($opt)).$_SERVER['REMOTE_USER'], '.feed');
-$key   = join('', array_values($opt)).$_SERVER['REMOTE_USER'];
+$key   = join('', array_values($opt)).'$'.$_SERVER['REMOTE_USER'].'$'.$_SERVER['HTTP_HOST'].$_SERVER['SERVER_PORT'];
 $cache = new cache($key, '.feed');
 
 // prepare cache depends
@@ -299,12 +298,12 @@ function rss_buildItems(&$rss, &$data, $opt) {
                         $src_l = '';
 
                         if($size = media_image_preview_size($id, false, new JpegMeta(mediaFN($id)), 300)) {
-                            $more  = 'w='.$size[0].'&h='.$size[1].'t='.@filemtime(mediaFN($id));
-                            $src_r = ml($id, $more);
+                            $more  = 'w='.$size[0].'&h='.$size[1].'&t='.@filemtime(mediaFN($id));
+                            $src_r = ml($id, $more, true, '&', true);
                         }
                         if($rev && $size = media_image_preview_size($id, $rev, new JpegMeta(mediaFN($id, $rev)), 300)) {
                             $more  = 'rev='.$rev.'&w='.$size[0].'&h='.$size[1];
-                            $src_l = ml($id, $more);
+                            $src_l = ml($id, $more, true, '&', true);
                         }
                         $content = '';
                         if($src_r) {
@@ -347,8 +346,8 @@ function rss_buildItems(&$rss, &$data, $opt) {
                 case 'html':
                     if($ditem['media']) {
                         if($size = media_image_preview_size($id, false, new JpegMeta(mediaFN($id)))) {
-                            $more    = 'w='.$size[0].'&h='.$size[1].'t='.@filemtime(mediaFN($id));
-                            $src     = ml($id, $more);
+                            $more    = 'w='.$size[0].'&h='.$size[1].'&t='.@filemtime(mediaFN($id));
+                            $src     = ml($id, $more, true, '&', true);
                             $content = '<img src="'.$src.'" alt="'.$id.'" />';
                         } else {
                             $content = '';
@@ -378,8 +377,8 @@ function rss_buildItems(&$rss, &$data, $opt) {
                 default:
                     if($ditem['media']) {
                         if($size = media_image_preview_size($id, false, new JpegMeta(mediaFN($id)))) {
-                            $more    = 'w='.$size[0].'&h='.$size[1].'t='.@filemtime(mediaFN($id));
-                            $src     = ml($id, $more);
+                            $more    = 'w='.$size[0].'&h='.$size[1].'&t='.@filemtime(mediaFN($id));
+                            $src     = ml($id, $more, true, '&amp;', true);
                             $content = '<img src="'.$src.'" alt="'.$id.'" />';
                         } else {
                             $content = '';