diff --git a/apps/files_external/lib/Controller/GlobalStoragesController.php b/apps/files_external/lib/Controller/GlobalStoragesController.php
index e7274c9cfb64c..11fdc352dcbda 100644
--- a/apps/files_external/lib/Controller/GlobalStoragesController.php
+++ b/apps/files_external/lib/Controller/GlobalStoragesController.php
@@ -8,6 +8,7 @@
 namespace OCA\Files_External\Controller;
 
 use OCA\Files_External\NotFoundException;
+use OCA\Files_External\Service\BackendService;
 use OCA\Files_External\Service\GlobalStoragesService;
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Http\Attribute\PasswordConfirmationRequired;
@@ -44,6 +45,7 @@ public function __construct(
 		IUserSession $userSession,
 		IGroupManager $groupManager,
 		IConfig $config,
+		BackendService $backendService,
 	) {
 		parent::__construct(
 			$AppName,
@@ -53,7 +55,8 @@ public function __construct(
 			$logger,
 			$userSession,
 			$groupManager,
-			$config
+			$config,
+			$backendService
 		);
 	}
 
@@ -82,16 +85,6 @@ public function create(
 		$applicableGroups,
 		$priority,
 	) {
-		$canCreateNewLocalStorage = $this->config->getSystemValue('files_external_allow_create_new_local', true);
-		if (!$canCreateNewLocalStorage && $backend === 'local') {
-			return new DataResponse(
-				[
-					'message' => $this->l10n->t('Forbidden to manage local mounts')
-				],
-				Http::STATUS_FORBIDDEN
-			);
-		}
-
 		$newStorage = $this->createStorage(
 			$mountPoint,
 			$backend,
diff --git a/apps/files_external/lib/Controller/StoragesController.php b/apps/files_external/lib/Controller/StoragesController.php
index e9b552882ddc8..c3269920c0212 100644
--- a/apps/files_external/lib/Controller/StoragesController.php
+++ b/apps/files_external/lib/Controller/StoragesController.php
@@ -9,10 +9,12 @@
 
 use OCA\Files_External\Lib\Auth\AuthMechanism;
 use OCA\Files_External\Lib\Backend\Backend;
+use OCA\Files_External\Lib\Backend\Local;
 use OCA\Files_External\Lib\InsufficientDataForMeaningfulAnswerException;
 use OCA\Files_External\Lib\StorageConfig;
 use OCA\Files_External\MountConfig;
 use OCA\Files_External\NotFoundException;
+use OCA\Files_External\Service\BackendService;
 use OCA\Files_External\Service\StoragesService;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http;
@@ -48,6 +50,7 @@ public function __construct(
 		protected IUserSession $userSession,
 		protected IGroupManager $groupManager,
 		protected IConfig $config,
+		private BackendService $backendService,
 	) {
 		parent::__construct($AppName, $request);
 	}
@@ -77,7 +80,7 @@ protected function createStorage(
 		$priority = null,
 	) {
 		$canCreateNewLocalStorage = $this->config->getSystemValue('files_external_allow_create_new_local', true);
-		if (!$canCreateNewLocalStorage && $backend === 'local') {
+		if (!$canCreateNewLocalStorage && $this->backendService->getBackend($backend) instanceof Local) {
 			return new DataResponse(
 				[
 					'message' => $this->l10n->t('Forbidden to manage local mounts')
diff --git a/apps/files_external/lib/Controller/UserGlobalStoragesController.php b/apps/files_external/lib/Controller/UserGlobalStoragesController.php
index 88a9f936401b0..eff8cac750125 100644
--- a/apps/files_external/lib/Controller/UserGlobalStoragesController.php
+++ b/apps/files_external/lib/Controller/UserGlobalStoragesController.php
@@ -14,6 +14,7 @@
 use OCA\Files_External\Lib\InsufficientDataForMeaningfulAnswerException;
 use OCA\Files_External\Lib\StorageConfig;
 use OCA\Files_External\NotFoundException;
+use OCA\Files_External\Service\BackendService;
 use OCA\Files_External\Service\UserGlobalStoragesService;
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Http\Attribute\NoAdminRequired;
@@ -50,6 +51,7 @@ public function __construct(
 		IUserSession $userSession,
 		IGroupManager $groupManager,
 		IConfig $config,
+		BackendService $backendService,
 	) {
 		parent::__construct(
 			$AppName,
@@ -59,7 +61,8 @@ public function __construct(
 			$logger,
 			$userSession,
 			$groupManager,
-			$config
+			$config,
+			$backendService,
 		);
 	}
 
diff --git a/apps/files_external/lib/Controller/UserStoragesController.php b/apps/files_external/lib/Controller/UserStoragesController.php
index 7b564d57f7ede..f91e1e0a6f1fe 100644
--- a/apps/files_external/lib/Controller/UserStoragesController.php
+++ b/apps/files_external/lib/Controller/UserStoragesController.php
@@ -11,6 +11,7 @@
 use OCA\Files_External\Lib\Backend\Backend;
 use OCA\Files_External\Lib\StorageConfig;
 use OCA\Files_External\NotFoundException;
+use OCA\Files_External\Service\BackendService;
 use OCA\Files_External\Service\UserStoragesService;
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Http\Attribute\NoAdminRequired;
@@ -47,6 +48,7 @@ public function __construct(
 		IUserSession $userSession,
 		IGroupManager $groupManager,
 		IConfig $config,
+		BackendService $backendService,
 	) {
 		parent::__construct(
 			$AppName,
@@ -56,7 +58,8 @@ public function __construct(
 			$logger,
 			$userSession,
 			$groupManager,
-			$config
+			$config,
+			$backendService,
 		);
 	}
 
@@ -109,15 +112,6 @@ public function create(
 		$backendOptions,
 		$mountOptions,
 	) {
-		$canCreateNewLocalStorage = $this->config->getSystemValue('files_external_allow_create_new_local', true);
-		if (!$canCreateNewLocalStorage && $backend === 'local') {
-			return new DataResponse(
-				[
-					'message' => $this->l10n->t('Forbidden to manage local mounts')
-				],
-				Http::STATUS_FORBIDDEN
-			);
-		}
 		$newStorage = $this->createStorage(
 			$mountPoint,
 			$backend,
diff --git a/apps/files_external/tests/Controller/GlobalStoragesControllerTest.php b/apps/files_external/tests/Controller/GlobalStoragesControllerTest.php
index 74a27eb15e4fb..21182010c9563 100644
--- a/apps/files_external/tests/Controller/GlobalStoragesControllerTest.php
+++ b/apps/files_external/tests/Controller/GlobalStoragesControllerTest.php
@@ -49,7 +49,8 @@ private function createController(bool $allowCreateLocal = true): GlobalStorages
 			$this->createMock(LoggerInterface::class),
 			$session,
 			$this->createMock(IGroupManager::class),
-			$config
+			$config,
+			$this->backendService,
 		);
 	}
 
diff --git a/apps/files_external/tests/Controller/StoragesControllerTestCase.php b/apps/files_external/tests/Controller/StoragesControllerTestCase.php
index 1eb52f9b459c3..050b3479cd052 100644
--- a/apps/files_external/tests/Controller/StoragesControllerTestCase.php
+++ b/apps/files_external/tests/Controller/StoragesControllerTestCase.php
@@ -13,10 +13,12 @@
 use OCA\Files_External\Lib\Auth\AuthMechanism;
 use OCA\Files_External\Lib\Auth\NullMechanism;
 use OCA\Files_External\Lib\Backend\Backend;
+use OCA\Files_External\Lib\Backend\Local;
 use OCA\Files_External\Lib\Backend\SMB;
 use OCA\Files_External\Lib\StorageConfig;
 use OCA\Files_External\MountConfig;
 use OCA\Files_External\NotFoundException;
+use OCA\Files_External\Service\BackendService;
 use OCA\Files_External\Service\GlobalStoragesService;
 use OCA\Files_External\Service\UserStoragesService;
 use OCP\AppFramework\Http;
@@ -25,10 +27,21 @@
 abstract class StoragesControllerTestCase extends \Test\TestCase {
 	protected GlobalStoragesController|UserStoragesController $controller;
 	protected GlobalStoragesService|UserStoragesService|MockObject $service;
+	protected BackendService|MockObject $backendService;
 
 	protected function setUp(): void {
 		parent::setUp();
 		MountConfig::$skipTest = true;
+
+		$this->backendService = $this->createMock(BackendService::class);
+		$this->backendService->method('getBackend')
+			->willReturnCallback(function ($identifier) {
+				if ($identifier === 'local') {
+					return $this->createMock(Local::class);
+				} else {
+					return $this->createMock(Backend::class);
+				}
+			});
 	}
 
 	protected function tearDown(): void {
diff --git a/apps/files_external/tests/Controller/UserStoragesControllerTest.php b/apps/files_external/tests/Controller/UserStoragesControllerTest.php
index 3e8d89ec060c3..138b5e1225dd8 100644
--- a/apps/files_external/tests/Controller/UserStoragesControllerTest.php
+++ b/apps/files_external/tests/Controller/UserStoragesControllerTest.php
@@ -58,7 +58,8 @@ private function createController(bool $allowCreateLocal = true) {
 			$this->createMock(LoggerInterface::class),
 			$session,
 			$this->createMock(IGroupManager::class),
-			$config
+			$config,
+			$this->backendService,
 		);
 	}