diff --git a/libraries/navigation/NavigationTree.php b/libraries/navigation/NavigationTree.php
index 8fb468803c..a978a4118d 100644
--- a/libraries/navigation/NavigationTree.php
+++ b/libraries/navigation/NavigationTree.php
@@ -171,7 +171,7 @@ class NavigationTree
          * @todo describe a scenario where this code is executed
          */
         if (!$GLOBALS['cfg']['Server']['DisableIS']) {
-            $dbSeparator = $GLOBALS['dbi']->escapeString((
+            $dbSeparator = $GLOBALS['dbi']->escapeString(
                 $GLOBALS['cfg']['NavigationTreeDbSeparator']
             );
             $query = "SELECT (COUNT(DB_first_level) DIV %d) * %d ";