diff --git a/ext/upgrade/main.php b/ext/upgrade/main.php
index 953a3956..1b3f6111 100644
--- a/ext/upgrade/main.php
+++ b/ext/upgrade/main.php
@@ -76,7 +76,7 @@ class Upgrade extends Extension
 
             log_info("upgrade", "Converting user flags to classes");
             $database->execute("ALTER TABLE users ADD COLUMN class VARCHAR(32) NOT NULL default :user", ["user" => "user"]);
-            $database->execute("UPDATE users SET class = :name WHERE id=:id", ["name"=>"anonymous", "id"=>$this->get_version('anon_id')]);
+            $database->execute("UPDATE users SET class = :name WHERE id=:id", ["name"=>"anonymous", "id"=>$config->get_int('anon_id')]);
             $database->execute("UPDATE users SET class = :name WHERE admin=:admin", ["name"=>"admin", "admin"=>'Y']);
 
             $this->set_version("db_version", 11);
diff --git a/ext/wiki/main.php b/ext/wiki/main.php
index fee37eed..03efb951 100644
--- a/ext/wiki/main.php
+++ b/ext/wiki/main.php
@@ -77,7 +77,7 @@ class Wiki extends Extension
     {
         global $database, $config;
 
-        if ($this->get_version("ext_wiki_version", 0) < 1) {
+        if ($this->get_version("ext_wiki_version") < 1) {
             $database->create_table("wiki_pages", "
 				id SCORE_AIPK,
 				owner_id INTEGER NOT NULL,