diff --git a/mod/forum/discuss.php b/mod/forum/discuss.php
index c4c5316dff7..382b7be8a99 100644
--- a/mod/forum/discuss.php
+++ b/mod/forum/discuss.php
@@ -117,7 +117,7 @@
         redirect($return.'&moved=-1&sesskey='.sesskey());
     }
 
-    add_to_log($course->id, 'forum', 'view discussion', $PAGE->url->out(false), $discussion->id, $cm->id);
+    add_to_log($course->id, 'forum', 'view discussion', "discuss.php?d=$discussion->id", $discussion->id, $cm->id);
 
     unset($SESSION->fromdiscussion);