diff --git a/lib/db/upgrade.php b/lib/db/upgrade.php
index e8daa538b01..fe6fa6e6916 100644
--- a/lib/db/upgrade.php
+++ b/lib/db/upgrade.php
@@ -6051,11 +6051,12 @@ WHERE gradeitemid IS NOT NULL AND grademax IS NOT NULL");
          // Define field secret to be added to registration_hubs
         $table = new xmldb_table('registration_hubs');
         $field = new xmldb_field('secret', XMLDB_TYPE_CHAR, '255', null, null, null,
-                $CFG->siteidentifier, 'confirmed');
+                null, 'confirmed');
 
-        // Conditionally launch add field secret
+        // Conditionally launch add field secret and set its value
         if (!$dbman->field_exists($table, $field)) {
             $dbman->add_field($table, $field);
+            $DB->set_field('registration_hubs', 'secret', $CFG->siteidentifier);
         }
 
         // Main savepoint reached
@@ -6136,6 +6137,18 @@ FROM
         upgrade_main_savepoint(true, 2011033004.04);
     }
 
+    if ($oldversion < 2011033004.08) {
+        // Changing the default of field secret on table registration_hubs to NULL
+        $table = new xmldb_table('registration_hubs');
+        $field = new xmldb_field('secret', XMLDB_TYPE_CHAR, '255', null, null, null, null, 'confirmed');
+
+        // Launch change of default for field secret
+        $dbman->change_field_default($table, $field);
+
+        // Main savepoint reached
+        upgrade_main_savepoint(true, 2011033004.08);
+    }
+
 
     return true;
 }
diff --git a/version.php b/version.php
index 481311f89fb..ac64f4dcdcc 100644
--- a/version.php
+++ b/version.php
@@ -30,7 +30,7 @@
 defined('MOODLE_INTERNAL') || die();
 
 
-$version  = 2011033004.07;              // 20110330      = branching date YYYYMMDD - do not modify!
+$version  = 2011033004.08;              // 20110330      = branching date YYYYMMDD - do not modify!
                                         //         RR    = release version - do not change in weeklies
                                         //           .XX = incremental changes