diff --git a/includes/utilities.php b/includes/utilities.php
index 9d2fef5..e457ee2 100644
--- a/includes/utilities.php
+++ b/includes/utilities.php
@@ -203,7 +203,8 @@ function build_page_chapter_index($blocks)
 			}
 		}
 		if ($block['blockName'] == 'homegrade-content-blocks/post-content-container') {
-			if ($block || $block['attrs'] || $block['attrs']['relatedPostId'] == 0) continue;
+
+			if (!$block || !$block['attrs'] || $block['attrs']['relatedPostId'] == 0) continue;
 			$shortTitle = get_field('short_title', $block['attrs']['relatedPostId']);
 
 			$anchor = $block['attrs'] && !empty($block['attrs']['anchor']) ? esc_html($block['attrs']['anchor']) : "post-content-container-" .  $block['attrs']['relatedPostId'];