diff --git a/ChangeLog b/ChangeLog
index 93e822c4d9..dc0a0877af 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -13,6 +13,7 @@ phpMyAdmin - ChangeLog
 - bug #4614 Separator between "Show All" and "Number of rows" disappears
 - bug #4615 SQL highlighting in process list breaks on auto refresh
 - bug #4616 Warning in db structure print view page
+- bug       Undefined index navwork
 
 4.3.0.0 (not yet released)
 + rfe #1502 Smart sorting for int keys
diff --git a/libraries/navigation/Nodes/Node.class.php b/libraries/navigation/Nodes/Node.class.php
index ce2ed756c3..f6e5a53dfc 100644
--- a/libraries/navigation/Nodes/Node.class.php
+++ b/libraries/navigation/Nodes/Node.class.php
@@ -747,7 +747,7 @@ class Node
     public function getNavigationHidingData()
     {
         $cfgRelation = PMA_getRelationsParam();
-        if ($cfgRelation['navwork']) {
+        if (isset($cfgRelation['navwork']) && $cfgRelation['navwork']) {
             $navTable = PMA_Util::backquote($cfgRelation['db'])
             . "." . PMA_Util::backquote($cfgRelation['navigationhiding']);
             $sqlQuery = "SELECT `db_name`, COUNT(*) AS `count` FROM " . $navTable