diff --git a/lib/os/class.ISPConfigUbuntuOS.inc.php b/lib/os/class.ISPConfigUbuntuOS.inc.php
index e869afa1696e348b3aa4cf0d25a761078f686903..90b562432178fb6fc1edb3444ccefcfddbf6b395 100644
--- a/lib/os/class.ISPConfigUbuntuOS.inc.php
+++ b/lib/os/class.ISPConfigUbuntuOS.inc.php
@@ -108,35 +108,11 @@ maxretry = 3';
 	}
 
 	protected function installUnattendedUpgrades() {
-		ISPConfigLog::info('Installing UnattendedUpgrades', true);
-
-		$packages = array(
-			'unattended-upgrades',
-			'apt-listchanges'
+		parent::installUnattendedUpgrades();
+		// Enable normal updates
+		$replacements = array(
+			'/^\/\/\s*"\$\{distro_id\}:\$\{distro_codename\}\-updates";/m' => '        "${distro_id}:${distro_codename}-updates";'
 		);
-		$this->installPackages($packages);
-
-		// Enable UnattendUpgrades to run every day
-		$unattendedupgrades = 'APT::Periodic::Update-Package-Lists "1";' . "\n" . 'APT::Periodic::Unattended-Upgrade "1";';
-		file_put_contents('/etc/apt/apt.conf.d/20auto-upgrades', $unattendedupgrades);
-
-		// Enable extra options if set in the arguments
-		$unattendedupgrades_options = ISPConfig::getUnattendedUpgradesOptions();
-		if (!empty($unattendedupgrades_options)) {
-			if (in_array("autoclean", $unattendedupgrades_options)) {
-				$unattendedupgrades = "\n" . 'APT::Periodic::AutocleanInterval "7";'  . "\n" . 'Unattended-Upgrade::Remove-Unused-Kernel-Packages "true";'  . "\n" . 'Unattended-Upgrade::Remove-Unused-Dependencies "true";';
-				file_put_contents('/etc/apt/apt.conf.d/20auto-upgrades', $unattendedupgrades, FILE_APPEND | LOCK_EX);
-			}
-			if (in_array("reboot", $unattendedupgrades_options)) {
-				$unattendedupgrades = "\n" . 'Unattended-Upgrade::Automatic-Reboot "true";' . "\n" . 'Unattended-Upgrade::Automatic-Reboot-Time "03:30";';
-				file_put_contents('/etc/apt/apt.conf.d/20auto-upgrades', $unattendedupgrades, FILE_APPEND | LOCK_EX);
-			}
-		}
-
-			// Enable normal updates
-			$replacements = array(
-				'/^\/\/\s*"\$\{distro_id\}:\$\{distro_codename\}\-updates";/m' => '        "${distro_id}:${distro_codename}-updates";'
-			);
-			$result = $this->replaceContents('/etc/apt/apt.conf.d/50unattended-upgrades', $replacements);
+		$result = $this->replaceContents('/etc/apt/apt.conf.d/50unattended-upgrades', $replacements);
 	}
 }