diff --git a/application/controllers/Cron.php b/application/controllers/Cron.php
index 125ee37de..875a23e25 100644
--- a/application/controllers/Cron.php
+++ b/application/controllers/Cron.php
@@ -88,7 +88,7 @@ class cron extends CI_Controller {
 						echo "CRON: " . $cron->id . " -> is due: " . $isdue_result . "\n";
 						echo "CRON: " . $cron->id . " -> RUNNING...\n";
 
-						$url = base_url() . $cron->function;
+						$url = local_url() . $cron->function;
 
 						$ch = curl_init();
 						curl_setopt($ch, CURLOPT_URL, $url);
diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php
index 4c060a203..89e90b588 100644
--- a/system/helpers/url_helper.php
+++ b/system/helpers/url_helper.php
@@ -88,6 +88,28 @@ if ( ! function_exists('base_url'))
 	}
 }
 
+if ( ! function_exists('local_url'))
+{
+	/**
+	 * Local URL
+	 * 
+	 * For cornercases where you have no access to the base_url from 
+	 * within e.g. the docker container to the base_url use this url
+	 * for cron jobs.
+	 * 
+	 * If local_url is not defined return base_url instead.
+	 * 
+	 * @param	string	$uri
+	 * @param	string	$protocol
+	 * @return	string
+	 */
+
+	 function local_url($uri = '', $protocol = NULL)
+	 {
+		return get_instance()->config->local_url($uri, $protocol) ?? get_instance()->config->base_url($uri, $protocol);
+	 }
+}
+
 // ------------------------------------------------------------------------
 
 if ( ! function_exists('current_url'))