diff --git a/system/Autoloader/Autoloader.php b/system/Autoloader/Autoloader.php
index ad4de0329d66..f8b678a5e0c7 100644
--- a/system/Autoloader/Autoloader.php
+++ b/system/Autoloader/Autoloader.php
@@ -344,11 +344,7 @@ public function sanitizeFilename(string $filename): string
             );
         }
         if ($result === false) {
-            if (version_compare(PHP_VERSION, '8.0.0', '>=')) {
-                $message = preg_last_error_msg();
-            } else {
-                $message = 'Regex error. error code: ' . preg_last_error();
-            }
+            $message = preg_last_error_msg();
 
             throw new RuntimeException($message . '. filename: "' . $filename . '"');
         }