diff --git a/libraries/src/Application/CMSApplication.php b/libraries/src/Application/CMSApplication.php
index d8a72dafa41e7..f8b8dcbd80d05 100644
--- a/libraries/src/Application/CMSApplication.php
+++ b/libraries/src/Application/CMSApplication.php
@@ -355,14 +355,10 @@ public function execute()
 
 			PluginHelper::importPlugin('system');
 
-			// Trigger the onBeforeExecute event.
-			$this->triggerEvent(
+			// Trigger the onBeforeExecute event
+			$this->getDispatcher()->dispatch(
 				'onBeforeExecute',
-				[
-					'subject'    => $this,
-					'eventClass' => BeforeExecuteEvent::class,
-					'container'  => $this->getContainer()
-				]
+				new BeforeExecuteEvent('onBeforeExecute', ['subject' => $this, 'container' => $this->getContainer()])
 			);
 
 			// Mark beforeExecute in the profiler.
diff --git a/libraries/src/Application/CliApplication.php b/libraries/src/Application/CliApplication.php
index 0b2bd5cfc7246..dbd4ad6d159c3 100644
--- a/libraries/src/Application/CliApplication.php
+++ b/libraries/src/Application/CliApplication.php
@@ -14,6 +14,7 @@
 use Joomla\CMS\Application\CLI\CliInput;
 use Joomla\CMS\Application\CLI\CliOutput;
 use Joomla\CMS\Application\CLI\Output\Stdout;
+use Joomla\CMS\Event\BeforeExecuteEvent;
 use Joomla\CMS\Extension\ExtensionManagerTrait;
 use Joomla\Input\Cli;
 use Joomla\Input\Input;
@@ -145,8 +146,11 @@ public static function getInstance($name = null)
 	 */
 	public function execute()
 	{
-		// Trigger the onBeforeExecute event.
-		$this->triggerEvent('onBeforeExecute');
+		// Trigger the onBeforeExecute event
+		$this->getDispatcher()->dispatch(
+			'onBeforeExecute',
+			new BeforeExecuteEvent('onBeforeExecute', ['subject' => $this, 'container' => $this->getContainer()])
+		);
 
 		// Perform application routines.
 		$this->doExecute();
diff --git a/libraries/src/Application/DaemonApplication.php b/libraries/src/Application/DaemonApplication.php
index 4c7deeee117ad..e40b4a7568053 100644
--- a/libraries/src/Application/DaemonApplication.php
+++ b/libraries/src/Application/DaemonApplication.php
@@ -12,6 +12,7 @@
 
 jimport('joomla.filesystem.folder');
 
+use Joomla\CMS\Event\BeforeExecuteEvent;
 use Joomla\Event\DispatcherInterface;
 use Joomla\Registry\Registry;
 
@@ -362,8 +363,11 @@ public function loadConfiguration($data)
 	 */
 	public function execute()
 	{
-		// Trigger the onBeforeExecute event.
-		$this->triggerEvent('onBeforeExecute');
+		// Trigger the onBeforeExecute event
+		$this->getDispatcher()->dispatch(
+			'onBeforeExecute',
+			new BeforeExecuteEvent('onBeforeExecute', ['subject' => $this, 'container' => $this->getContainer()])
+		);
 
 		// Enable basic garbage collection.
 		gc_enable();
diff --git a/libraries/src/Application/WebApplication.php b/libraries/src/Application/WebApplication.php
index 9dfdccdaa7afc..eb8c8e4a5e0f3 100644
--- a/libraries/src/Application/WebApplication.php
+++ b/libraries/src/Application/WebApplication.php
@@ -13,6 +13,7 @@
 use Joomla\Application\AbstractWebApplication;
 use Joomla\Application\Web\WebClient;
 use Joomla\CMS\Document\Document;
+use Joomla\CMS\Event\BeforeExecuteEvent;
 use Joomla\CMS\Input\Input;
 use Joomla\CMS\Language\Language;
 use Joomla\CMS\User\User;
@@ -128,8 +129,11 @@ public static function getInstance($name = null)
 	 */
 	public function execute()
 	{
-		// Trigger the onBeforeExecute event.
-		$this->triggerEvent('onBeforeExecute');
+		// Trigger the onBeforeExecute event
+		$this->getDispatcher()->dispatch(
+			'onBeforeExecute',
+			new BeforeExecuteEvent('onBeforeExecute', ['subject' => $this, 'container' => $this->getContainer()])
+		);
 
 		// Perform application routines.
 		$this->doExecute();