diff --git a/modules/cron/lib/Controller/Cron.php b/modules/cron/lib/Controller/Cron.php
index 57af87a169b98c0be704e17783aadea17db25d91..0e6dd848907c5fd14e38513d7e28a6f82bb753dc 100644
--- a/modules/cron/lib/Controller/Cron.php
+++ b/modules/cron/lib/Controller/Cron.php
@@ -133,7 +133,7 @@ class Cron
             try {
                 $mail->send();
             } catch (\PHPMailer\PHPMailer\Exception $e) {
-                Logger::warning("Unable to send cron report");
+                Logger::warning("Unable to send cron report; " . $e->getMessage());
             }
         }