diff --git a/libraries/navigation/Nodes/Node_Database.class.php b/libraries/navigation/Nodes/Node_Database.class.php
index 1b77161377..44304c13bc 100644
--- a/libraries/navigation/Nodes/Node_Database.class.php
+++ b/libraries/navigation/Nodes/Node_Database.class.php
@@ -234,7 +234,7 @@ class Node_Database extends Node
                     $query .= "%'";
                 }
                 $query .= "ORDER BY `TABLE_NAME` ASC ";
-                $query .= "LIMIT $pos, $maxItems";
+                $query .= "LIMIT " . intval($pos) . ", $maxItems";
                 $retval = PMA_DBI_fetch_result($query);
             } else {
                 $query  = " SHOW FULL TABLES FROM ";
@@ -277,7 +277,7 @@ class Node_Database extends Node
                     $query .= "%'";
                 }
                 $query .= "ORDER BY `TABLE_NAME` ASC ";
-                $query .= "LIMIT $pos, $maxItems";
+                $query .= "LIMIT " . intval($pos) . ", $maxItems";
                 $retval = PMA_DBI_fetch_result($query);
             } else {
                 $query  = "SHOW FULL TABLES FROM ";
@@ -320,7 +320,7 @@ class Node_Database extends Node
                     $query .= "%'";
                 }
                 $query .= "ORDER BY `ROUTINE_NAME` ASC ";
-                $query .= "LIMIT $pos, $maxItems";
+                $query .= "LIMIT " . intval($pos) . ", $maxItems";
                 $retval = PMA_DBI_fetch_result($query);
             } else {
                 $db    = PMA_Util::sqlAddSlashes($db);
@@ -360,7 +360,7 @@ class Node_Database extends Node
                     $query .= "%'";
                 }
                 $query .= "ORDER BY `ROUTINE_NAME` ASC ";
-                $query .= "LIMIT $pos, $maxItems";
+                $query .= "LIMIT " . intval($pos) . ", $maxItems";
                 $retval = PMA_DBI_fetch_result($query);
             } else {
                 $db    = PMA_Util::sqlAddSlashes($db);
@@ -399,7 +399,7 @@ class Node_Database extends Node
                     $query .= "%'";
                 }
                 $query .= "ORDER BY `EVENT_NAME` ASC ";
-                $query .= "LIMIT $pos, $maxItems";
+                $query .= "LIMIT " . intval($pos) . ", $maxItems";
                 $retval = PMA_DBI_fetch_result($query);
             } else {
                 $db    = PMA_Util::backquote($db);