diff --git a/enrol/self/db/upgrade.php b/enrol/self/db/upgrade.php
index 9ea3d931389..4a24437d0df 100644
--- a/enrol/self/db/upgrade.php
+++ b/enrol/self/db/upgrade.php
@@ -41,10 +41,10 @@ function xmldb_enrol_self_upgrade($oldversion) {
 
     // Moodle v2.4.0 release upgrade line
     // Put any upgrade step following this
-    if ($oldversion < 2013112100) {
+    if ($oldversion < 2012112901) {
         // Set customint1 (group enrolment key) to 0 if it was not set (null).
         $DB->execute("UPDATE {enrol} SET customint1 = 0 WHERE enrol = 'self' AND customint1 IS NULL");
-        upgrade_plugin_savepoint(true, 2013112100, 'enrol', 'self');
+        upgrade_plugin_savepoint(true, 2012112901, 'enrol', 'self');
     }
 
     return true;
diff --git a/enrol/self/version.php b/enrol/self/version.php
index 80fe16419ee..6291465d389 100644
--- a/enrol/self/version.php
+++ b/enrol/self/version.php
@@ -24,7 +24,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2013112100;        // The current plugin version (Date: YYYYMMDDXX)
+$plugin->version   = 2012112901;        // The current plugin version (Date: YYYYMMDDXX)
 $plugin->requires  = 2012112900;        // Requires this Moodle version
 $plugin->component = 'enrol_self';      // Full name of the plugin (used for diagnostics)
 $plugin->cron      = 600;