diff --git a/post.php b/post.php
index daaffcf6..cd89048c 100644
--- a/post.php
+++ b/post.php
@@ -932,7 +932,7 @@ function handle_post()
         // Check if banned
         checkBan($board['uri']);
 
-        if ($config['op_require_history'] && $post['op']) {
+        if ($config['op_require_history'] && $post['op'] && !isIPv6()) {
             $has_any = has_any_history($_SERVER['REMOTE_ADDR']);
             if (!$has_any) {
                 error($config['error']['opnohistory']);