diff --git a/core/dashboard/index.php b/core/dashboard/index.php
index 40f7047edd..8561bd9008 100644
--- a/core/dashboard/index.php
+++ b/core/dashboard/index.php
@@ -368,7 +368,7 @@
 
 		.ghost {
 			border: 2px dashed rgba(0,0,0,1);
-			<?php $br = format_border_radius($_SESSION['theme']['dashboard_border_radius']['text'], '5px'); ?>
+			<?php $br = format_border_radius($_SESSION['theme']['dashboard_border_radius']['text'] ?? null, '5px'); ?>
 			-webkit-border-radius: <?php echo $br['tl']['n'].$br['tl']['u']; ?> <?php echo $br['tr']['n'].$br['tr']['u']; ?> <?php echo $br['br']['n'].$br['br']['u']; ?> <?php echo $br['bl']['n'].$br['bl']['u']; ?>;
 			-moz-border-radius: <?php echo $br['tl']['n'].$br['tl']['u']; ?> <?php echo $br['tr']['n'].$br['tr']['u']; ?> <?php echo $br['br']['n'].$br['br']['u']; ?> <?php echo $br['bl']['n'].$br['bl']['u']; ?>;
 			border-radius: <?php echo $br['tl']['n'].$br['tl']['u']; ?> <?php echo $br['tr']['n'].$br['tr']['u']; ?> <?php echo $br['br']['n'].$br['br']['u']; ?> <?php echo $br['bl']['n'].$br['bl']['u']; ?>;