diff --git a/public-legacy/forum/posting.php b/public-legacy/forum/posting.php
index f3f2e63..5abd411 100644
--- a/public-legacy/forum/posting.php
+++ b/public-legacy/forum/posting.php
@@ -276,7 +276,7 @@ if($mode === 'edit') { // $post is pretty much sure to be populated at this poin
     }
 
     $post->isOriginalPost = $originalPostInfo->id == $postInfo->id;
-    $post->isOriginalPoster = $originalPostInfo->userId !== null && $postInfo->userId !== nul
+    $post->isOriginalPoster = $originalPostInfo->userId !== null && $postInfo->userId !== null
         && $originalPostInfo->userId === $postInfo->userId;
 
     Template::set('posting_post', $post);