diff --git a/tests/Fixture/InboxFixture.php b/tests/Fixture/InboxFixture.php
index f26a4c8..d274a56 100644
--- a/tests/Fixture/InboxFixture.php
+++ b/tests/Fixture/InboxFixture.php
@@ -11,8 +11,8 @@ class InboxFixture extends TestFixture
     public $connection = 'test';
     public $table = 'inbox';
 
-    public const INBOX_USER_REGISTRATION_ID = 1;
-    public const INBOX_INCOMING_CONNECTION_REQUEST_ID = 2;
+    public const INBOX_USER_REGISTRATION_UUID = 'e783b13a-7019-48f5-848e-582bb930a833';
+    public const INBOX_INCOMING_CONNECTION_REQUEST_UUID = '9810bd94-16f9-42e0-b364-af59dba50a34';
 
     public function init(): void
     {
@@ -20,8 +20,7 @@ class InboxFixture extends TestFixture
 
         $this->records = [
             [
-                'id' => self::INBOX_USER_REGISTRATION_ID,
-                'uuid' => $faker->uuid(),
+                'uuid' => self::INBOX_USER_REGISTRATION_UUID,
                 'scope' => 'User',
                 'action' => 'Registration',
                 'title' => 'User account creation requested for foo@bar.com',
@@ -37,8 +36,7 @@ class InboxFixture extends TestFixture
                 'modified' => $faker->dateTime()->getTimestamp()
             ],
             [
-                'id' => self::INBOX_INCOMING_CONNECTION_REQUEST_ID,
-                'uuid' => $faker->uuid(),
+                'uuid' => self::INBOX_INCOMING_CONNECTION_REQUEST_UUID,
                 'scope' => 'LocalTool',
                 'action' => 'IncomingConnectionRequest',
                 'title' => 'Request for MISP Inter-connection',
diff --git a/tests/TestCase/Api/Inbox/IndexInboxApiTest.php b/tests/TestCase/Api/Inbox/IndexInboxApiTest.php
index b8af1c6..0a60393 100644
--- a/tests/TestCase/Api/Inbox/IndexInboxApiTest.php
+++ b/tests/TestCase/Api/Inbox/IndexInboxApiTest.php
@@ -30,7 +30,7 @@ class IndexInboxApiTest extends TestCase
         $this->get(self::ENDPOINT);
 
         $this->assertResponseOk();
-        $this->assertResponseContains(sprintf('"id": %d', InboxFixture::INBOX_USER_REGISTRATION_ID));
-        $this->assertResponseContains(sprintf('"id": %d', InboxFixture::INBOX_INCOMING_CONNECTION_REQUEST_ID));
+        $this->assertResponseContains(sprintf('"uuid": "%s"', InboxFixture::INBOX_USER_REGISTRATION_UUID));
+        $this->assertResponseContains(sprintf('"uuid": "%s"', InboxFixture::INBOX_INCOMING_CONNECTION_REQUEST_UUID));
     }
 }