diff --git a/install.php b/install.php
index 921c86b..3112202 100644
--- a/install.php
+++ b/install.php
@@ -700,7 +700,7 @@ PHP
 		}
 		
 		// Syncing filesystem (so /assets/Uploads is available instantly, see ticket #2266)
-		File::sync();
+		FileSystem::sync();
 		
 		echo "<li>Checking mod_rewrite works</li>";