diff --git a/single.php b/single.php
index 1271315..a43fad4 100644
--- a/single.php
+++ b/single.php
@@ -33,7 +33,7 @@
                     <?php
                     if (function_exists('get_field')) {
                         $related_posts = get_field('related_posts', $post_id);
-                        if (isset($related_posts)) : ?>
+                        if (isset($related_posts) && is_array($related_posts)) : ?>
                             <div class="st-sub-grid">
                                 <h3>Related Articles</h3>
                                 <div class="st-article-section-related-articles">