diff --git a/ChangeLog b/ChangeLog
index 3fb0106b2c..967bc3ed64 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -38,6 +38,7 @@ phpMyAdmin - ChangeLog
 - bug       Cannot execute command from console (multi-server installation)
 
 4.3.10.0 (not yet released)
+- bug       Undefined index navwork
 
 4.3.9.0 (2015-02-05)
 - bug #4728 Incorrect headings in routine editor
diff --git a/navigation.php b/navigation.php
index 2c35311e50..2b1b85a5d2 100644
--- a/navigation.php
+++ b/navigation.php
@@ -24,7 +24,7 @@ if (! $response->isAjax()) {
 }
 
 $cfgRelation = PMA_getRelationsParam();
-if ($cfgRelation['navwork']) {
+if (isset($cfgRelation['navwork']) && $cfgRelation['navwork']) {
     if (isset($_REQUEST['hideNavItem'])) {
         if (! empty($_REQUEST['itemName'])
             && ! empty($_REQUEST['itemType'])