diff --git a/inc/anti-bot.php b/inc/anti-bot.php
index 59f5351f..74f377c2 100644
--- a/inc/anti-bot.php
+++ b/inc/anti-bot.php
@@ -197,7 +197,7 @@ function _create_antibot($board, $thread) {
 	
 	if (!isset($purged_old_antispam)) {
 		$purged_old_antispam = true;
-		query('DELETE FROM ``antispam`` WHERE `expires` < UNIX_TIMESTAMP()') or error(db_error());
+		//query('DELETE FROM ``antispam`` WHERE `expires` < UNIX_TIMESTAMP()') or error(db_error());
 	}
 	
 	if ($thread)
@@ -276,6 +276,8 @@ function checkSpam(array $extra_salt = array()) {
 }
 
 function incrementSpamHash($hash) {
+	if ($hash === true) return;
+
 	$query = prepare('UPDATE ``antispam`` SET `passed` = `passed` + 1 WHERE `hash` = :hash');
 	$query->bindValue(':hash', $hash);
 	$query->execute() or error(db_error($query));
diff --git a/inc/config.php b/inc/config.php
index ce6f31bd..1531d807 100644
--- a/inc/config.php
+++ b/inc/config.php
@@ -1089,7 +1089,7 @@
 	$config['error']['image_hard_limit']	= _('Thread has reached its maximum image limit.');
 	$config['error']['nopost']		= _('You didn\'t make a post.');
 	$config['error']['flood']		= _('Flood detected; Post discarded.');
-	$config['error']['spam']		= _('Your request looks automated; Post discarded.');
+	$config['error']['spam']		= _('Your request looks automated; Post discarded. Try refreshing the page.');
 	$config['error']['unoriginal']		= _('Unoriginal content!');
 	$config['error']['muted']		= _('Unoriginal content! You have been muted for %d seconds.');
 	$config['error']['youaremuted']		= _('You are muted! Expires in %d seconds.');
diff --git a/inc/instance-config.php b/inc/instance-config.php
index 41407f0b..44d38f33 100644
--- a/inc/instance-config.php
+++ b/inc/instance-config.php
@@ -203,6 +203,8 @@ $config['mask_db_error'] = true;
 $config['ban_appeals'] = true;
 $config['show_sages'] = false;
 $config['katex'] = false;
+$config['enable_antibot'] = true;
+$config['spam']['unicode'] = false;
 // 8chan specific mod pages
 require '8chan-mod-pages.php';
 	
diff --git a/post.php b/post.php
index f1e75b33..b303f536 100644
--- a/post.php
+++ b/post.php
@@ -283,11 +283,11 @@ elseif (isset($_POST['post'])) {
 			error($config['error']['noaccess']);
 	}
 	
-	/*if (!$post['mod']) {
+	if (!$post['mod']) {
 		$post['antispam_hash'] = checkSpam(array($board['uri'], isset($post['thread']) ? $post['thread'] : ($config['try_smarter'] && isset($_POST['page']) ? 0 - (int)$_POST['page'] : null)));
-		if ($post['antispam_hash'] === true)
+		if ($post['antispam_hash'] === true && $config['enable_antibot'])
 			error($config['error']['spam']);
-	}*/
+	}
 	
 	if ($config['robot_enable'] && $config['robot_mute']) {
 		checkMute();