diff --git a/libraries/tracking.lib.php b/libraries/tracking.lib.php
index 6fc9f4253b..bc478e1c17 100644
--- a/libraries/tracking.lib.php
+++ b/libraries/tracking.lib.php
@@ -388,9 +388,7 @@ function PMA_getHtmlForTableVersionDetails(
 function PMA_getTableLastVersionNumber($sql_result)
 {
     $maxversion = $GLOBALS['dbi']->fetchArray($sql_result);
-    $last_version = $maxversion['version'];
-
-    return $last_version;
+    return intval($maxversion['version']);
 }
 
 /**