diff --git a/apps/files_external/lib/Service/BackendService.php b/apps/files_external/lib/Service/BackendService.php
index a577711668a..e8aee7cb574 100644
--- a/apps/files_external/lib/Service/BackendService.php
+++ b/apps/files_external/lib/Service/BackendService.php
@@ -178,7 +178,7 @@ class BackendService {
 	 * @return Backend[]
 	 */
 	public function getAvailableBackends() {
-		return array_filter($this->getBackends(), fn (Backend $backend) => empty($backend->checkRequiredDependencies()));
+		return array_filter($this->getBackends(), fn (Backend $backend) => $backend->checkRequiredDependencies() === []);
 	}
 
 	/**