diff --git a/post.php b/post.php
index 31a74b5e..93b63068 100644
--- a/post.php
+++ b/post.php
@@ -351,6 +351,8 @@ function handle_report(){
         $query->execute() or error(db_error($query));
         
         $thread = $query->fetch(PDO::FETCH_ASSOC);
+        // check if post was deleted before the report arrived
+        if ($thread === false) continue;
 
         $error = event('report', array('ip' => $_SERVER['REMOTE_ADDR'], 'board' => $board['uri'], 'post' => $post, 'reason' => $reason, 'link' => link_for($thread)));
         if ($error) {