diff --git a/lib/Jobs/AutomaticPlaceMapperJob.php b/lib/Jobs/AutomaticPlaceMapperJob.php
index 4d842ab53..bc8ea9681 100644
--- a/lib/Jobs/AutomaticPlaceMapperJob.php
+++ b/lib/Jobs/AutomaticPlaceMapperJob.php
@@ -42,6 +42,10 @@ protected function run($argument) {
 		}
 
 		$users = $this->userManager->search('');
+		if ($users === []) {
+			return;
+		}
+
 		$lastMappedUser = $this->config->getAppValue(Application::APP_ID, 'lastPlaceMappedUser', '');
 
 		if ($lastMappedUser === '') {