diff --git a/src/Uuid.php b/src/Uuid.php
index fffe874..7f1c91a 100644
--- a/src/Uuid.php
+++ b/src/Uuid.php
@@ -1225,7 +1225,7 @@ final class Uuid
         }
 
         $bytes = '';
-        foreach (range(1, $length) as $i) {
+        for ($i = 1; $i <= $length; $i++) {
             $bytes = chr(mt_rand(0, 255)) . $bytes;
         }