diff --git a/inc/api.php b/inc/api.php
index b77fa3f8..57e4d367 100644
--- a/inc/api.php
+++ b/inc/api.php
@@ -101,7 +101,7 @@ class Api {
 		$fields = $threadsPage ? $this->threadsPageFields : $this->postFields;
 		$this->translateFields($fields, $post, $apiPost);
 
-		if (isset($config['poster_ids'])) $apiPost['id'] = poster_id($post->ip, $post->thread, $board['uri']);
+		if (isset($config['poster_ids']) && $config['poster_ids']) $apiPost['id'] = poster_id($post->ip, $post->thread, $board['uri']);
 		if ($threadsPage) return $apiPost;
 
 		// Handle country field