diff --git a/migrations/Version20221031195841.php b/migrations/Version20221031195841.php
new file mode 100644
index 00000000..da6e71ad
--- /dev/null
+++ b/migrations/Version20221031195841.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20221031195841 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE groups ADD permissions_data LONGTEXT NOT NULL COMMENT \'(DC2Type:json)\'');
+        $this->addSql('ALTER TABLE users ADD permissions_data LONGTEXT NOT NULL COMMENT \'(DC2Type:json)\'');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE `groups` DROP permissions_data');
+        $this->addSql('ALTER TABLE `users` DROP permissions_data');
+    }
+}
diff --git a/src/Doctrine/Types/PermissionDataType.php b/src/Doctrine/Types/PermissionDataType.php
deleted file mode 100644
index b33e4545..00000000
--- a/src/Doctrine/Types/PermissionDataType.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-
-namespace App\Doctrine\Types;
-
-use App\Entity\UserSystem\PermissionData;
-use Doctrine\DBAL\Platforms\AbstractPlatform;
-use Doctrine\DBAL\Types\ConversionException;
-use Doctrine\DBAL\Types\JsonType;
-use JsonException;
-
-class PermissionDataType extends JsonType
-{
-    public function convertToPHPValue($value, AbstractPlatform $platform)
-    {
-        if ($value === null || $value === '') {
-            return null;
-        }
-
-        if (is_resource($value)) {
-            $value = stream_get_contents($value);
-        }
-
-        try {
-            return PermissionData::fromJSON($value);
-        } catch (JsonException $e) {
-            throw ConversionException::conversionFailed($value, $this->getName(), $e);
-        }
-    }
-
-    public function getName(): string
-    {
-        return 'permission_data';
-    }
-}
\ No newline at end of file
diff --git a/src/Entity/UserSystem/Group.php b/src/Entity/UserSystem/Group.php
index ce22396e..c07e876a 100644
--- a/src/Entity/UserSystem/Group.php
+++ b/src/Entity/UserSystem/Group.php
@@ -97,13 +97,14 @@ class Group extends AbstractStructuralDBElement implements HasPermissionsInterfa
 
     /**
      * @var PermissionData
-     * @ORM\Column(type="permission_data", nullable=false, name="permissions")
+     * @ValidPermission()
+     * @ORM\Embedded(class="PermissionData", columnPrefix="permissions_")
      */
     protected PermissionData $permissions;
 
+
     /** @var PermissionsEmbed
      * @ORM\Embedded(class="PermissionsEmbed", columnPrefix="perms_")
-     * @ValidPermission()
      */
     protected $permissions_old;
 
@@ -146,10 +147,6 @@ class Group extends AbstractStructuralDBElement implements HasPermissionsInterfa
 
     public function getPermissions(): PermissionData
     {
-        if (!isset($this->permissions)) {
-            $this->permissions = new PermissionData();
-        }
-
         return $this->permissions;
     }
 
diff --git a/src/Entity/UserSystem/PermissionData.php b/src/Entity/UserSystem/PermissionData.php
index 06afd3ac..91611dc9 100644
--- a/src/Entity/UserSystem/PermissionData.php
+++ b/src/Entity/UserSystem/PermissionData.php
@@ -2,6 +2,14 @@
 
 namespace App\Entity\UserSystem;
 
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * This class is used to store the permissions of a user.
+ * This has to be an embeddable or otherwise doctrine could not track the changes of the underlying data array (which is serialized to JSON in the database)
+ *
+ * @ORM\Embeddable()
+ */
 final class PermissionData implements \JsonSerializable
 {
     /**
@@ -17,8 +25,9 @@ final class PermissionData implements \JsonSerializable
      * permission => [
      *     operation => value,
      * ]
+     * @ORM\Column(type="json", name="data")
      */
-    protected array $data = [];
+    protected ?array $data = [];
 
     /**
      * Creates a new Permission Data Instance using the given data.
@@ -91,6 +100,11 @@ final class PermissionData implements \JsonSerializable
         return new self($data);
     }
 
+    public function __clone()
+    {
+        $this->data = $this->data;
+    }
+
     /**
      * Returns an JSON encodable representation of this object.
      * @return array|mixed
diff --git a/src/Entity/UserSystem/User.php b/src/Entity/UserSystem/User.php
index 869bce89..09a83641 100644
--- a/src/Entity/UserSystem/User.php
+++ b/src/Entity/UserSystem/User.php
@@ -267,13 +267,13 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
 
     /**
      * @var PermissionData
-     * @ORM\Column(type="permission_data", nullable=false, name="permissions")
+     * @ValidPermission()
+     * @ORM\Embedded(class="PermissionData", columnPrefix="permissions_")
      */
     protected PermissionData $permissions;
 
     /** @var PermissionsEmbed
      * @ORM\Embedded(class="PermissionsEmbed", columnPrefix="perms_")
-     * @ValidPermission()
      */
     protected $permissions_old;
 
@@ -435,10 +435,6 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
 
     public function getPermissions(): PermissionData
     {
-        if (!isset($this->permissions)) {
-            $this->permissions = new PermissionData();
-        }
-
         return $this->permissions;
     }