diff --git a/mod/forum/view.php b/mod/forum/view.php
index df7533bfbde..d840a93a9b8 100644
--- a/mod/forum/view.php
+++ b/mod/forum/view.php
@@ -112,7 +112,7 @@
         //the following query really needs to change
         if ($groups = get_records_menu("groups", "courseid", $course->id, "name ASC", "id,name")) {
             echo '<td>';
-            print_group_menu($groups, $groupmode, $currentgroup, "view.php?id=$cm->id");
+            print_group_menu($groups, $groupmode, $currentgroup, "$CFG->wwwroot/mod/forum/view.php?id=$cm->id");
             echo '</td>';
         }
     }