diff --git a/Sources/Maintenance/Tools/Upgrade.php b/Sources/Maintenance/Tools/Upgrade.php
index 2b3a633535..0b94b2172b 100644
--- a/Sources/Maintenance/Tools/Upgrade.php
+++ b/Sources/Maintenance/Tools/Upgrade.php
@@ -1226,7 +1226,7 @@ public function finalize(): bool
 			],
 			[
 				[
-					'SMF\\Tasks\\FetchSMfiles',
+					\SMF\Tasks\FetchSMFiles::class,
 					'',
 					0,
 				],