diff --git a/app/Exceptions/Api/CanNotRemoveOwnerFromOrganization.php b/app/Exceptions/Api/CanNotRemoveOwnerFromOrganization.php
new file mode 100644
index 00000000..6582e41f
--- /dev/null
+++ b/app/Exceptions/Api/CanNotRemoveOwnerFromOrganization.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Exceptions\Api;
+
+class CanNotRemoveOwnerFromOrganization extends ApiException
+{
+    public const string KEY = 'can_not_remove_owner_from_organization';
+}
diff --git a/app/Http/Controllers/Api/V1/MemberController.php b/app/Http/Controllers/Api/V1/MemberController.php
index 9337ea2a..450e2dce 100644
--- a/app/Http/Controllers/Api/V1/MemberController.php
+++ b/app/Http/Controllers/Api/V1/MemberController.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\Http\Controllers\Api\V1;
 
 use App\Enums\Role;
+use App\Exceptions\Api\CanNotRemoveOwnerFromOrganization;
 use App\Exceptions\Api\EntityStillInUseApiException;
 use App\Exceptions\Api\UserNotPlaceholderApiException;
 use App\Http\Requests\V1\Member\MemberIndexRequest;
@@ -72,7 +73,7 @@ class MemberController extends Controller
     /**
      * Remove a member of the organization.
      *
-     * @throws AuthorizationException|EntityStillInUseApiException
+     * @throws AuthorizationException|EntityStillInUseApiException|CanNotRemoveOwnerFromOrganization
      *
      * @operationId removeMember
      */
@@ -86,6 +87,9 @@ class MemberController extends Controller
         if (ProjectMember::query()->whereBelongsToOrganization($organization)->where('user_id', $member->user_id)->exists()) {
             throw new EntityStillInUseApiException('member', 'project_member');
         }
+        if ($member->role === Role::Owner->value) {
+            throw new CanNotRemoveOwnerFromOrganization();
+        }
 
         $member->delete();
 
diff --git a/lang/en/exceptions.php b/lang/en/exceptions.php
index 8a819eae..fa2bf17b 100644
--- a/lang/en/exceptions.php
+++ b/lang/en/exceptions.php
@@ -2,6 +2,7 @@
 
 declare(strict_types=1);
 
+use App\Exceptions\Api\CanNotRemoveOwnerFromOrganization;
 use App\Exceptions\Api\EntityStillInUseApiException;
 use App\Exceptions\Api\InactiveUserCanNotBeUsedApiException;
 use App\Exceptions\Api\TimeEntryCanNotBeRestartedApiException;
@@ -17,5 +18,6 @@ return [
         InactiveUserCanNotBeUsedApiException::KEY => 'Inactive user can not be used',
         UserIsAlreadyMemberOfProjectApiException::KEY => 'User is already a member of the project',
         EntityStillInUseApiException::KEY => 'The :modelToDelete is still used by a :modelInUse and can not be deleted.',
+        CanNotRemoveOwnerFromOrganization::KEY => 'Can not remove owner from organization',
     ],
 ];
diff --git a/tests/Unit/Endpoint/Api/V1/MemberEndpointTest.php b/tests/Unit/Endpoint/Api/V1/MemberEndpointTest.php
index 2534f6dc..afd955c9 100644
--- a/tests/Unit/Endpoint/Api/V1/MemberEndpointTest.php
+++ b/tests/Unit/Endpoint/Api/V1/MemberEndpointTest.php
@@ -141,6 +141,23 @@ class MemberEndpointTest extends ApiEndpointTestAbstract
         $response->assertStatus(403);
     }
 
+    public function test_destroy_member_fails_if_member_is_owner(): void
+    {
+        // Arrange
+        $data = $this->createUserWithPermission([
+            'members:delete',
+        ]);
+        $memberToDelete = Member::factory()->forOrganization($data->organization)->role(Role::Owner)->create();
+        Passport::actingAs($data->user);
+
+        // Act
+        $response = $this->deleteJson(route('api.v1.members.destroy', [$data->organization->getKey(), $memberToDelete->getKey()]));
+
+        // Assert
+        $response->assertStatus(400);
+        $response->assertJsonPath('message', 'Can not remove owner from organization');
+    }
+
     public function test_destroy_member_fails_if_member_is_not_part_of_org(): void
     {
         // Arrange
diff --git a/tests/Unit/Service/Import/ImportServiceTest.php b/tests/Unit/Service/Import/ImportServiceTest.php
index 27bfc5c4..0e34ba23 100644
--- a/tests/Unit/Service/Import/ImportServiceTest.php
+++ b/tests/Unit/Service/Import/ImportServiceTest.php
@@ -7,6 +7,7 @@ namespace Tests\Unit\Service\Import;
 use App\Models\Organization;
 use App\Service\Import\ImportService;
 use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Storage;
 use Tests\TestCase;
 
 class ImportServiceTest extends TestCase
@@ -16,6 +17,7 @@ class ImportServiceTest extends TestCase
     public function test_import_gets_importer_from_provider_runs_importer_and_returns_report(): void
     {
         // Arrange
+        Storage::fake('s3');
         $organization = Organization::factory()->create();
         $data = file_get_contents(storage_path('tests/toggl_time_entries_import_test_1.csv'));