diff --git a/admin/index.php b/admin/index.php
index fa14858c829..355fb263175 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -473,6 +473,7 @@
 
         $cat = new object();
         $cat->name = get_string('miscellaneous');
+        $cat->depth = 1;
         if (!$catid = insert_record('course_categories', $cat)) {
             error("Serious Error! Could not set up a default course category!");
         }
@@ -627,4 +628,4 @@
 
     admin_externalpage_print_footer();
 
-?>
\ No newline at end of file
+?>