diff --git a/course/lib.php b/course/lib.php
index a28a54fc9c1..9db5a0b34bd 100644
--- a/course/lib.php
+++ b/course/lib.php
@@ -491,7 +491,7 @@ function print_section_block($heading, $course, $section, $mods, $modnames, $mod
             $moddata[] = "<a title=\"$mod->modfullname\" href=\"$CFG->wwwroot/mod/$mod->modname/view.php?id=$mod->id\">$instancename</a><BR>$editbuttons";
         }
     }
-    if (isediting($course->id)) {
+    if ($isediting) {
         $editmenu = popup_form("$CFG->wwwroot/course/mod.php?id=$course->id&section=0&add=", 
                    $modnames, "section0", "", get_string("add")."...", "mods", get_string("activities"), true);
         $editmenu = "<DIV ALIGN=right>$editmenu</DIV>";