diff --git a/classes/pref/prefs.php b/classes/pref/prefs.php
index 424a38b85..50a1f39c8 100644
--- a/classes/pref/prefs.php
+++ b/classes/pref/prefs.php
@@ -1228,7 +1228,7 @@ class Pref_Prefs extends Handler_Protected {
 
 		print "<td><input onclick='Tables.onRowChecked(this);' dojoType='dijit.form.CheckBox' type='checkbox'></td>";
 
-		if (!$_SESSION["profile"]) {
+		if (!isset($_SESSION["profile"])) {
 			$is_active = __("(active)");
 		} else {
 			$is_active = "";