diff --git a/application/migrations/001_init.php b/application/migrations/001_init.php
index 2e74ee38d..7cc9e6dad 100644
--- a/application/migrations/001_init.php
+++ b/application/migrations/001_init.php
@@ -2,35 +2,35 @@
 
 if (! defined('BASEPATH')) exit('No direct script access allowed');
 
-class Migration_Init extends CI_Migration {
-
-        public function up()
-        {        	
-			$this->load->database('system');
-			// Schemas
-			$this->db->query('CREATE SCHEMA IF NOT EXISTS public;');
-          	$this->db->query('CREATE SCHEMA IF NOT EXISTS addon;');
-          	$this->db->query('CREATE SCHEMA IF NOT EXISTS fue;');
-          	$this->db->query('CREATE SCHEMA IF NOT EXISTS lehre;');
-          	$this->db->query('CREATE SCHEMA IF NOT EXISTS system;');
-          	$this->db->query('CREATE SCHEMA IF NOT EXISTS bis;');
-		}
-
-        public function down()
-        {
-              /* $this->db->query('
-				DROP SCHEMA IF EXISTS addon;
-				DROP SCHEMA IF EXISTS bis;
-				DROP SCHEMA IF EXISTS campus;
-				DROP SCHEMA IF EXISTS fue;
-				DROP SCHEMA IF EXISTS kommune;
-				DROP SCHEMA IF EXISTS lehre;
-				DROP SCHEMA IF EXISTS public;
-				DROP SCHEMA IF EXISTS sync;
-				DROP SCHEMA IF EXISTS system;
-				DROP SCHEMA IF EXISTS testtool;
-				DROP SCHEMA IF EXISTS wawi;
-				');*/
-        }
-}
+class Migration_Init extends CI_Migration
+{
+	public function up()
+	{
+		$this->load->database('system');
+		// Schemas
+		echo '<br/>';
+		$this->db->query('CREATE SCHEMA IF NOT EXISTS public;');
+		$this->db->query('CREATE SCHEMA IF NOT EXISTS addon;');
+		$this->db->query('CREATE SCHEMA IF NOT EXISTS fue;');
+		$this->db->query('CREATE SCHEMA IF NOT EXISTS lehre;');
+		$this->db->query('CREATE SCHEMA IF NOT EXISTS system;');
+		$this->db->query('CREATE SCHEMA IF NOT EXISTS bis;');
+	}
 
+	public function down()
+	{
+		/* $this->db->query('
+		DROP SCHEMA IF EXISTS addon;
+		DROP SCHEMA IF EXISTS bis;
+		DROP SCHEMA IF EXISTS campus;
+		DROP SCHEMA IF EXISTS fue;
+		DROP SCHEMA IF EXISTS kommune;
+		DROP SCHEMA IF EXISTS lehre;
+		DROP SCHEMA IF EXISTS public;
+		DROP SCHEMA IF EXISTS sync;
+		DROP SCHEMA IF EXISTS system;
+		DROP SCHEMA IF EXISTS testtool;
+		DROP SCHEMA IF EXISTS wawi;
+		');*/
+	}
+}
\ No newline at end of file
diff --git a/application/migrations/002_pk_migrations.php b/application/migrations/002_pk_migrations.php
index 37342e06f..d378b2a01 100644
--- a/application/migrations/002_pk_migrations.php
+++ b/application/migrations/002_pk_migrations.php
@@ -1,22 +1,36 @@
 <?php
 
-if (! defined('BASEPATH')) exit('No direct script access allowed');
+if (! defined("BASEPATH")) exit("No direct script access allowed");
 
-class Migration_Pk_migrations extends CI_Migration {
+require_once APPPATH . "/libraries/MigrationLib.php";
 
-        public function up()
-        {
-          
-            //$this->load->database('system');
-			if ($this->db->table_exists('ci_migrations'))
-			{
-				$this->db->query('ALTER TABLE ci_migrations ADD CONSTRAINT pk_migrations PRIMARY KEY(version);');
-    		}
-		}
-
-        public function down()
-        {
-                $this->db->query('ALTER TABLE ci_migrations DROP CONSTRAINT pk_migrations;');
-        }
-}
+class Migration_Pk_migrations extends MigrationLib
+{
+	public function __construct()
+	{
+		parent::__construct();
+	}
+	
+	public function up()
+	{
+		$this->startUP();
+		
+		$this->addPrimaryKey(
+			"public",
+			"ci_migrations",
+			"pk_migrations",
+			array("version")
+		);
+		
+		$this->endUP();
+	}
 
+	public function down()
+	{
+		$this->startDown();
+		
+		$this->execQuery('ALTER TABLE ci_migrations DROP CONSTRAINT pk_migrations');
+		
+		$this->endDown();
+	}
+}
\ No newline at end of file