diff --git a/ext/comment/main.php b/ext/comment/main.php
index b1ae8e33..b6da4eed 100644
--- a/ext/comment/main.php
+++ b/ext/comment/main.php
@@ -103,7 +103,7 @@ class Comment
     }
 
     #[Mutation(name: "create_comment")]
-    public function create_comment(int $post_id, string $comment): bool
+    public static function create_comment(int $post_id, string $comment): bool
     {
         global $user;
         send_event(new CommentPostingEvent($post_id, $user, $comment));