diff --git a/ChangeLog b/ChangeLog
index 45782b8aed..3527ac0a6a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -24,6 +24,7 @@ phpMyAdmin - ChangeLog
 
 4.2.7.0 (not yet released)
 - bug       Broken links on home page
+- bug #4494 Overlap in navigation panel
 
 4.2.6.0 (2014-07-17)
 - bug #4471 Undefined index warning with referenced column.
diff --git a/themes/original/css/navigation.css.php b/themes/original/css/navigation.css.php
index 36d694c7ef..4ba541579b 100644
--- a/themes/original/css/navigation.css.php
+++ b/themes/original/css/navigation.css.php
@@ -129,7 +129,7 @@ if (! defined('PMA_MINIMUM_COMMON') && ! defined('TESTSUITE')) {
 }
 #pma_navigation_tree_content a.hover_show_full {
     position: relative;
-    z-index: 9999;
+    z-index: 100;
 }
 #pma_navigation_tree a {
     color: <?php echo $GLOBALS['cfg']['NaviColor']; ?>;
diff --git a/themes/pmahomme/css/navigation.css.php b/themes/pmahomme/css/navigation.css.php
index b83414768a..3e7743df30 100644
--- a/themes/pmahomme/css/navigation.css.php
+++ b/themes/pmahomme/css/navigation.css.php
@@ -115,7 +115,7 @@ if (! defined('PMA_MINIMUM_COMMON') && ! defined('TESTSUITE')) {
 }
 #pma_navigation_tree_content a.hover_show_full {
     position: relative;
-    z-index: 9999;
+    z-index: 100;
 }
 #pma_navigation_tree a {
     color: <?php echo $GLOBALS['cfg']['NaviColor']; ?>;