diff --git a/tt-rss.php b/tt-rss.php
index 3df0417b0..43d611496 100644
--- a/tt-rss.php
+++ b/tt-rss.php
@@ -116,7 +116,7 @@ window.onload = init;
 	<?php } ?>
 	<a href="prefs.php"><?php echo __('Preferences') ?></a>
 
-	<?php if (defined('FEEDBACK_URL')) { ?>
+	<?php if (defined('FEEDBACK_URL') && FEEDBACK_URL) { ?>
 		| <a target="_blank" class="feedback" href="<?php echo FEEDBACK_URL ?>">
 				<?php echo __('Comments?') ?></a>
 	<?php } ?>