diff --git a/classes/form/outage/edit.php b/classes/form/outage/edit.php
index 10b44e2..78f7108 100644
--- a/classes/form/outage/edit.php
+++ b/classes/form/outage/edit.php
@@ -164,7 +164,7 @@ class edit extends moodleform {
 
             // If the default_autostart is configured in config, then force autostart to be the default value.
             if (array_key_exists('auth_outage', $CFG->forced_plugin_settings)
-                && array_key_exists('default_autostart', $CFG->forced_plugin_settings['auth_outage'])){
+                && array_key_exists('default_autostart', $CFG->forced_plugin_settings['auth_outage'])) {
                 $this->_form->setDefaults([
                     'autostart' => $CFG->forced_plugin_settings['auth_outage']['default_autostart']
                 ]);
diff --git a/classes/local/outagelib.php b/classes/local/outagelib.php
index 7d5b340..9b532b2 100644
--- a/classes/local/outagelib.php
+++ b/classes/local/outagelib.php
@@ -246,6 +246,7 @@ class outagelib {
                 unset_config('maintenance_message');
             }
             set_config('maintenance_later', $outage->starttime);
+            self::maintenance_config_log($outage);
         }
     }
 
@@ -414,4 +415,18 @@ EOT;
 
         return $message;
     }
+
+    /**
+     * Logging for maintenance mode configuration.
+     *
+     * @param outage|null $outage Outage or null if no scheduled outage.
+     */
+    private static function maintenance_config_log(outage $outage) {
+        mtrace(get_string('logformaintmodeconfig', 'auth_outage'));
+        $timezone = ' (Timezone ' . \core_date::get_server_timezone_object()->getName() . ')';
+        mtrace('... updated at ' . date('H:i:s'));
+        $time = date("Y-m-d H:i:s", $outage->starttime);
+        mtrace("... enable maintenance mode at $time $timezone");
+        mtrace(get_string('logformaintmodeconfigcomplete', 'auth_outage'));
+    }
 }
diff --git a/lang/en/auth_outage.php b/lang/en/auth_outage.php
index 0324a19..80ca4a3 100644
--- a/lang/en/auth_outage.php
+++ b/lang/en/auth_outage.php
@@ -107,6 +107,8 @@ $string['allowedipsempty'] = 'When the allowed IPs list is empty we will not blo
 $string['allowedipshasmyip'] = 'Your IP (<i>{$a->ip}</i>) is in the list and you will not be blocked out during an Outage.';
 $string['allowedipshasntmyip'] = 'Your IP (<i>{$a->ip}</i>) is not in the list and you will be blocked out during an outage.';
 $string['allowedipsnoconfig'] = 'Your config.php does not have the extra setup to allow blocking via IP.<br />Please refer to our <a href="https://github.com/catalyst/moodle-auth_outage#installation" target="_blank">README.md</a> file for more information.';
+$string['logformaintmodeconfig'] = 'Update maintenance mode configuration.';
+$string['logformaintmodeconfigcomplete'] = 'Updating maintenance mode configuration complete.';
 $string['menusettings'] = 'Settings';
 $string['menumanage'] = 'Manage outages';
 $string['messageoutagebackonline'] = 'We are back online!';
diff --git a/tests/phpunit/installation_test.php b/tests/phpunit/installation_test.php
index 1c5936b..bd54723 100644
--- a/tests/phpunit/installation_test.php
+++ b/tests/phpunit/installation_test.php
@@ -63,7 +63,11 @@ class auth_outage_installation_test extends auth_outage_base_testcase {
             'title' => 'Title',
             'description' => 'Description',
         ]);
+        ob_start();
         \auth_outage\dml\outagedb::save($outage);
+        $text = trim(ob_get_contents());
+        ob_end_clean();
+        self::assertStringContainsString('Update maintenance mode configuration', $text);
         self::assertSame(1, $DB->count_records_select('event', "eventtype = 'auth_outage'", null));
 
         // Uninstall plugin.
diff --git a/tests/phpunit/local/cli/create_test.php b/tests/phpunit/local/cli/create_test.php
index b293c97..61e9163 100644
--- a/tests/phpunit/local/cli/create_test.php
+++ b/tests/phpunit/local/cli/create_test.php
@@ -159,8 +159,8 @@ class auth_outage_create_test extends auth_outage_cli_testcase {
         $text = $this->execute($cli);
         self::assertStringContainsString('created', $text);
         // Check creted outage.
-        list(, $id) = explode(':', $text);
-        $id = (int)$id;
+        $clioutput = explode(':', $text);
+        $id = (int)end($clioutput);
         $outage = outagedb::get_by_id($id);
         self::assertSame($now, $outage->starttime);
         self::assertSame(10, $outage->get_warning_duration());
@@ -223,8 +223,8 @@ class auth_outage_create_test extends auth_outage_cli_testcase {
         $text = $this->execute($cli);
         self::assertStringContainsString('created', $text);
         // Check creted outage.
-        list(, $id) = explode(':', $text);
-        $id = (int)$id;
+        $clioutput = explode(':', $text);
+        $id = (int)end($clioutput);
         $outage = outagedb::get_by_id($id);
         self::assertSame($now + 50, $outage->starttime, 'Wrong starttime.');
         self::assertSame($outage->starttime - 100, $outage->warntime, 'Wrong warntime.');
diff --git a/tests/phpunit/local/outagelib_test.php b/tests/phpunit/local/outagelib_test.php
index 942fa1b..9845386 100644
--- a/tests/phpunit/local/outagelib_test.php
+++ b/tests/phpunit/local/outagelib_test.php
@@ -60,7 +60,11 @@ class auth_outage_outagelib_test extends auth_outage_base_testcase {
         ]);
 
         set_config('maintenance_message', 'A message.');
+        ob_start();
         outagedb::save($outage);
+        $text = trim(ob_get_contents());
+        ob_end_clean();
+        self::assertStringContainsString('Update maintenance mode configuration', $text);
         self::assertFalse((bool)get_config('moodle', 'maintenance_message'));
         self::assertCount(2, $this->getDebuggingMessages());
         $this->resetDebugging();
@@ -94,7 +98,11 @@ class auth_outage_outagelib_test extends auth_outage_base_testcase {
             'title' => 'Title',
             'description' => 'Description',
         ]);
+        ob_start();
         $outage->id = outagedb::save($outage);
+        $text = trim(ob_get_contents());
+        ob_end_clean();
+        self::assertStringContainsString('Update maintenance mode configuration', $text);
 
         outagelib::reset_injectcalled();
         // Get full header to avoid interactions with other single inject plugins.
@@ -136,7 +144,11 @@ class auth_outage_outagelib_test extends auth_outage_base_testcase {
             'title' => 'Title',
             'description' => 'Description',
         ]);
+        ob_start();
         $outage->id = outagedb::save($outage);
+        $text = trim(ob_get_contents());
+        ob_end_clean();
+        self::assertStringContainsString('Update maintenance mode configuration', $text);
 
         $_GET = ['auth_outage_preview' => (string)$outage->id];
 
@@ -175,8 +187,11 @@ class auth_outage_outagelib_test extends auth_outage_base_testcase {
             'title' => 'Title',
             'description' => 'Description',
         ]);
+        ob_start();
         $outage->id = outagedb::save($outage);
-
+        $text = trim(ob_get_contents());
+        ob_end_clean();
+        self::assertStringContainsString('Update maintenance mode configuration', $text);
         $_GET = ['auth_outage_preview' => (string)$outage->id, 'auth_outage_delta' => '500'];
         outagelib::reset_injectcalled();
         $header = outagelib::get_inject_code();
@@ -282,7 +297,11 @@ class auth_outage_outagelib_test extends auth_outage_base_testcase {
             'title' => 'Title',
             'description' => 'Description',
         ]);
+        ob_start();
         $outage->id = outagedb::save($outage);
+        $text = trim(ob_get_contents());
+        ob_end_clean();
+        self::assertStringContainsString('Update maintenance mode configuration', $text);
 
         // Pretend we are there...
         $_SERVER['SCRIPT_FILENAME'] = '/var/www/alternativepath/admin/settings.php'; // Issue #88 regression test.
@@ -341,6 +360,7 @@ EOT;
     /**
      * Test create maintenance php code without age
      *
+     * @param string $configkey The key of the config.
      * @dataProvider test_createmaintenancephpcode_withoutage_provider
      */
     public function test_createmaintenancephpcode_withoutage($configkey) {
@@ -538,8 +558,11 @@ EOT;
             'title' => 'Title',
             'description' => 'Description',
         ]);
+        ob_start();
         $outage->id = outagedb::save($outage);
-
+        $text = trim(ob_get_contents());
+        ob_end_clean();
+        self::assertStringContainsString('Update maintenance mode configuration', $text);
         // Pretend we are there...
         $_SERVER['SCRIPT_FILENAME'] = '/var/www/alternativepath/admin/settings.php'; // Issue #88 regression test.
         $_SERVER['SCRIPT_NAME'] = '/admin/settings.php';
diff --git a/version.php b/version.php
index 3482760..dd71866 100644
--- a/version.php
+++ b/version.php
@@ -28,8 +28,8 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component = "auth_outage";
-$plugin->version = 2022051200;                  // The current plugin version (Date: YYYYMMDDXX).
-$plugin->release = 2022051200;                  // Human-readable release information.
+$plugin->version = 2022121900;                  // The current plugin version (Date: YYYYMMDDXX).
+$plugin->release = 2022121900;                  // Human-readable release information.
 $plugin->requires = 2017111309;                 // 2017111309 = T13, but this really requires 3.9 and higher.
 $plugin->maturity = MATURITY_STABLE;            // Suitable for PRODUCTION environments!
 $plugin->supported = [39, 311];                 // A range of branch numbers of supported moodle versions.