diff --git a/wp-admin/includes/update-core.php b/wp-admin/includes/update-core.php
index 82224bcf38..952d1a8f72 100644
--- a/wp-admin/includes/update-core.php
+++ b/wp-admin/includes/update-core.php
@@ -384,7 +384,7 @@ function update_core($from, $to) {
 			$lang_dir = WP_CONTENT_DIR . '/languages';
 
 		if ( !@is_dir($lang_dir) && 0 === strpos($lang_dir, ABSPATH) ) { // Check the language directory exists first
-			$wp_filesystem->mkdir($to . str_replace($lang_dir, ABSPATH, ''), FS_CHMOD_DIR); // If it's within the ABSPATH we can handle it here, otherwise they're out of luck.
+			$wp_filesystem->mkdir($to . str_replace(ABSPATH, '', $lang_dir), FS_CHMOD_DIR); // If it's within the ABSPATH we can handle it here, otherwise they're out of luck.
 			clearstatcache(); // for FTP, Need to clear the stat cache
 		}