diff --git a/administrator/components/com_joomlaupdate/controllers/update.php b/administrator/components/com_joomlaupdate/controllers/update.php
index 8682cf07cfdb4..3b04f6c5cec84 100644
--- a/administrator/components/com_joomlaupdate/controllers/update.php
+++ b/administrator/components/com_joomlaupdate/controllers/update.php
@@ -102,6 +102,7 @@ public function download()
 	public function install()
 	{
 		$this->checkToken('get');
+		JFactory::getApplication()->setUserState('com_joomlaupdate.oldversion', JVERSION);
 
 		$options['format'] = '{DATE}\t{TIME}\t{LEVEL}\t{CODE}\t{MESSAGE}';
 		$options['text_file'] = 'joomla_update.php';
diff --git a/administrator/components/com_joomlaupdate/models/default.php b/administrator/components/com_joomlaupdate/models/default.php
index 032617384d8ae..8f8ec4037fe71 100644
--- a/administrator/components/com_joomlaupdate/models/default.php
+++ b/administrator/components/com_joomlaupdate/models/default.php
@@ -922,9 +922,11 @@ public function cleanUp()
 
 		// Unset the update filename from the session.
 		JFactory::getApplication()->setUserState('com_joomlaupdate.file', null);
+		$oldVersion = JFactory::getApplication()->getUserState('com_joomlaupdate.oldversion');
 
 		// Trigger event after joomla update.
-		JFactory::getApplication()->triggerEvent('onJoomlaAfterUpdate');
+		JFactory::getApplication()->triggerEvent('onJoomlaAfterUpdate', array($oldVersion));
+		JFactory::getApplication()->setUserState('com_joomlaupdate.oldversion', null);
 	}
 
 	/**
diff --git a/administrator/language/en-GB/en-GB.plg_actionlog_joomla.ini b/administrator/language/en-GB/en-GB.plg_actionlog_joomla.ini
index 07cde6ddcdbb9..27299f0c1b42d 100644
--- a/administrator/language/en-GB/en-GB.plg_actionlog_joomla.ini
+++ b/administrator/language/en-GB/en-GB.plg_actionlog_joomla.ini
@@ -46,7 +46,7 @@ PLG_ACTIONLOG_JOOMLA_USER_REGISTERED="User <a href='{accountlink}'>{username}</a
 PLG_ACTIONLOG_JOOMLA_USER_REMIND="User <a href='{accountlink}'>{username}</a> requested a username reminder for their account"
 PLG_ACTIONLOG_JOOMLA_USER_RESET_COMPLETE="User <a href='{accountlink}'>{username}</a> completed the password reset for their account"
 PLG_ACTIONLOG_JOOMLA_USER_RESET_REQUEST="User <a href='{accountlink}'>{username}</a> requested a password reset for their account"
-PLG_ACTIONLOG_JOOMLA_USER_UPDATE="User <a href='{accountlink}'>{username}</a> updated Joomla to {version}"
+PLG_ACTIONLOG_JOOMLA_USER_UPDATE="User <a href='{accountlink}'>{username}</a> updated Joomla from {oldversion} to {version}"
 ; Component
 PLG_ACTIONLOG_JOOMLA_APPLICATION_CONFIG_UPDATED="User <a href='{accountlink}'>{username}</a> changed settings of the application configuration"
 PLG_ACTIONLOG_JOOMLA_COMPONENT_CONFIG_UPDATED="User <a href='{accountlink}'>{username}</a> changed settings of the component {extension_name}"
diff --git a/plugins/actionlog/joomla/joomla.php b/plugins/actionlog/joomla/joomla.php
index c2ed2980e886e..de19216e09077 100644
--- a/plugins/actionlog/joomla/joomla.php
+++ b/plugins/actionlog/joomla/joomla.php
@@ -1049,14 +1049,22 @@ public function onAfterPurge($group = 'all')
 	 *
 	 * Method is called after user update the CMS.
 	 *
+	 * @param   string  $oldVersion  The Joomla version before the update
+	 *
 	 * @return  void
 	 *
 	 * @since   3.9.21
 	 */
-	public function onJoomlaAfterUpdate()
+	public function onJoomlaAfterUpdate($oldVersion = null)
 	{
 		$context = $this->app->input->get('option');
 		$user    = JFactory::getUser();
+		
+		if (empty($oldVersion))
+		{			
+			$oldVersion = JText::_('JLIB_UNKNOWN');	
+		}
+
 		$message = array(
 			'action'      => 'joomlaupdate',
 			'type'        => 'PLG_ACTIONLOG_JOOMLA_TYPE_USER',
@@ -1067,6 +1075,7 @@ public function onJoomlaAfterUpdate()
 			'username'    => $user->username,
 			'accountlink' => 'index.php?option=com_users&task=user.edit&id=' . $user->id,
 			'version'     => JVERSION,
+			'oldversion'  => $oldVersion,
 		);
 		$this->addLog(array($message), 'PLG_ACTIONLOG_JOOMLA_USER_UPDATE', $context, $user->id);
 	}