diff --git a/frontend/classes/node.php b/frontend/classes/node.php
index 14ca457..dd5e954 100644
--- a/frontend/classes/node.php
+++ b/frontend/classes/node.php
@@ -16,8 +16,8 @@ if(!isset($_CVM)) { die("Unauthorized."); }
 class Node extends CPHPDatabaseRecordClass
 {
 	public $table_name = "nodes";
-	public $fill_query = "SELECT * FROM nodes WHERE `Id` = '%d'";
-	public $verify_query = "SELECT * FROM nodes WHERE `Id` = '%d'";
+	public $fill_query = "SELECT * FROM nodes WHERE `Id` = :Id";
+	public $verify_query = "SELECT * FROM nodes WHERE `Id` = :Id";
 	
 	public $prototype = array(
 		'string' => array(
diff --git a/frontend/classes/template.php b/frontend/classes/template.php
index 22876b6..6973c26 100644
--- a/frontend/classes/template.php
+++ b/frontend/classes/template.php
@@ -16,8 +16,8 @@ if(!isset($_CVM)) { die("Unauthorized."); }
 class Template extends CPHPDatabaseRecordClass
 {
 	public $table_name = "templates";
-	public $fill_query = "SELECT * FROM templates WHERE `Id` = '%d'";
-	public $verify_query = "SELECT * FROM templates WHERE `Id` = '%d'";
+	public $fill_query = "SELECT * FROM templates WHERE `Id` = :Id";
+	public $verify_query = "SELECT * FROM templates WHERE `Id` = :Id";
 	
 	public $prototype = array(
 		'string' => array(
diff --git a/frontend/classes/vps.php b/frontend/classes/vps.php
index e97c423..f2c00e4 100644
--- a/frontend/classes/vps.php
+++ b/frontend/classes/vps.php
@@ -16,8 +16,8 @@ if(!isset($_CVM)) { die("Unauthorized."); }
 class Vps extends CPHPDatabaseRecordClass
 {
 	public $table_name = "containers";
-	public $fill_query = "SELECT * FROM containers WHERE `Id` = '%d'";
-	public $verify_query = "SELECT * FROM containers WHERE `Id` = '%d'";
+	public $fill_query = "SELECT * FROM containers WHERE `Id` = :Id";
+	public $verify_query = "SELECT * FROM containers WHERE `Id` = :Id";
 	
 	public $prototype = array(
 		'string' => array(