diff --git a/src/includes/classes/AutoCache.php b/src/includes/classes/AutoCache.php
index 80328fef..7575b77d 100644
--- a/src/includes/classes/AutoCache.php
+++ b/src/includes/classes/AutoCache.php
@@ -88,10 +88,10 @@ protected function run()
             $_blog_sitemap_urls = $_blog_other_urls = $_blog_urls = [];
 
             if (!isset($_blog->ID)) { // `home_url()` fallback.
-                $_blog_url           = rtrim(network_home_url('', 'http'), '/');
+                $_blog_url           = rtrim($this->plugin->getHomeUrlWithHomeScheme(), '/');
                 $this->is_child_blog = false; // Simple flag.
             } else { // This calls upon `switch_to_blog()` to acquire.
-                $_blog_url           = rtrim(get_home_url($_blog->ID, '', 'http'), '/');
+                $_blog_url           = rtrim($this->plugin->getHomeUrlWithHomeScheme($_blog->ID), '/');
                 $this->is_child_blog = true; // Simple flag; yes it is!
             }
             if ($is_multisite && $can_consider_domain_mapping) {
diff --git a/src/includes/traits/Plugin/UrlUtils.php b/src/includes/traits/Plugin/UrlUtils.php
index 0af823ac..de947d6b 100644
--- a/src/includes/traits/Plugin/UrlUtils.php
+++ b/src/includes/traits/Plugin/UrlUtils.php
@@ -25,4 +25,28 @@ public function url($file = '', $scheme = '')
         }
         return $url;
     }
+
+    /**
+     * Retrieves the home URL for a given site preserving the home URL scheme.
+     *
+     * @since 16xxxx Improving Auto-Cache Engine Sitemap routines.
+     *
+     * @param int $blog_id (Optional) Blog ID. Default null (current blog).
+     *
+     * @return string $url Home URL link with Home URL scheme preserved.
+     */
+    public function getHomeUrlWithHomeScheme($blog_id = null)
+    {
+        if (empty($blog_id) || !is_multisite()) {
+            $url = get_option('home');
+        } else {
+            switch_to_blog($blog_id);
+            $url = get_option('home');
+            restore_current_blog();
+        }
+
+        $url = set_url_scheme($url, parse_url($url, PHP_URL_SCHEME));
+
+        return $url;
+    }
 }