From 7be74c18378f75fd94f1f9a97f5a4ffb2028aa5f Mon Sep 17 00:00:00 2001
From: Matthias Pfefferle <pfefferle@users.noreply.github.com>
Date: Mon, 23 Jan 2023 21:24:54 +0100
Subject: [PATCH] fix upgrade call

---
 includes/model/class-post.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/model/class-post.php b/includes/model/class-post.php
index 6586388..9eaab30 100644
--- a/includes/model/class-post.php
+++ b/includes/model/class-post.php
@@ -276,7 +276,7 @@ class Post {
 		}
 
 		// Upgrade from old template codes to shortcodes.
-		$content = $this->upgrade_post_content_template();
+		$content = self::upgrade_post_content_template();
 
 		return $content;
 	}