diff --git a/docs/NEWS b/docs/NEWS
index b1d1c7a8..5ce11a3d 100644
--- a/docs/NEWS
+++ b/docs/NEWS
@@ -15,6 +15,18 @@ Version 2.0 ()
 
     * Use Smarty for backend display output
 
+Version 1.7.3 ()
+------------------------------------------------------------------------
+
+    * Trackback to https:// style URLs will use proper port 443 instead
+      of 80.
+
+Version 1.7.2 (July 26th 2013)
+------------------------------------------------------------------------
+
+    * Fix a syntax error in the "mysql" deprecation code, thanks
+      to Ian
+
 Version 1.7.1 ()
 ------------------------------------------------------------------------
 
diff --git a/include/functions_trackbacks.inc.php b/include/functions_trackbacks.inc.php
index 6167ba40..095e0b01 100644
--- a/include/functions_trackbacks.inc.php
+++ b/include/functions_trackbacks.inc.php
@@ -119,6 +119,10 @@ function _serendipity_send($loc, $data, $contenttype = null) {
         $target['query'] = '?' . str_replace('&', '&', $target['query']);
     }
 
+    if ($target['scheme'] == 'https' && empty($target['port'])) {
+        $target['port'] = 443;
+    }
+        
     if (!is_numeric($target['port'])) {
        $target['port'] = 80;
     }