diff --git a/scripts/gen-autoload.php b/scripts/gen-autoload.php
index 8b3421dd7..dd7229ffd 100644
--- a/scripts/gen-autoload.php
+++ b/scripts/gen-autoload.php
@@ -1,32 +1,45 @@
 <?php
 
-require_once __DIR__ . '/../../../includes/utils/AutoloadGenerator.php';
+// Keep in sync with same script in Flow.
 
-// @codingStandardsIgnoreStart
-function main() {
-// @codingStandardsIgnoreEnd
-	$base = dirname( __DIR__ );
-	$generator = new AutoloadGenerator( $base );
-	$dirs = [
-		'includes',
-		'tests',
-		'maintenance',
-	];
-	foreach ( $dirs as $dir ) {
-		$generator->readDir( $base . '/' . $dir );
-	}
-	foreach ( glob( $base . '/*.php' ) as $file ) {
-		$generator->readFile( $file );
+require_once getenv( 'MW_INSTALL_PATH' ) !== false
+	? getenv( 'MW_INSTALL_PATH' ) . '/maintenance/Maintenance.php'
+	: __DIR__ . '/../../../maintenance/Maintenance.php';
+
+/**
+ * Generates Echo autoload info
+ */
+
+class GenerateEchoAutoload extends Maintenance {
+	public function __construct() {
+		$this->mDescription = 'Generates Echo autoload data';
 	}
 
-	$target = $generator->getTargetFileInfo();
+	public function execute() {
+		$base = dirname( __DIR__ );
+		$generator = new AutoloadGenerator( $base );
+		$dirs = [
+			'includes',
+			'tests',
+			'maintenance',
+		];
+		foreach ( $dirs as $dir ) {
+			$generator->readDir( $base . '/' . $dir );
+		}
+		foreach ( glob( $base . '/*.php' ) as $file ) {
+			$generator->readFile( $file );
+		}
 
-	file_put_contents(
-		$target['filename'],
-		$generator->getAutoload( basename( __DIR__ ) . '/' . basename( __FILE__ ) )
-	);
+		$target = $generator->getTargetFileInfo();
 
-	echo "Done.\n\n";
+		file_put_contents(
+			$target['filename'],
+			$generator->getAutoload( basename( __DIR__ ) . '/' . basename( __FILE__ ) )
+		);
+
+		echo "Done.\n\n";
+	}
 }
 
-main();
+$maintClass = "GenerateEchoAutoload";
+require_once RUN_MAINTENANCE_IF_MAIN;