diff --git a/module/VuFind/src/VuFind/Controller/FeedbackController.php b/module/VuFind/src/VuFind/Controller/FeedbackController.php
index dcc1e8294ba0dca2023c740ba7714584a7cfbb3a..e44147c9e237e268d08032689ffa18586c7cdf9d 100644
--- a/module/VuFind/src/VuFind/Controller/FeedbackController.php
+++ b/module/VuFind/src/VuFind/Controller/FeedbackController.php
@@ -183,7 +183,8 @@ class FeedbackController extends AbstractBase
                 $emailSubject,
                 $emailMessage,
                 null,
-                new Address($replyToEmail, $replyToName)
+                !empty($replyToEmail)
+                    ? new Address($replyToEmail, $replyToName) : null
             );
             return [true, null];
         } catch (MailException $e) {