Make sure maintenance mode is always casted to bool

Signed-off-by: Joas Schilling <coding@schilljs.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/cron.php b/cron.php
index b79c40d2a72..cdfa0fb367d 100644
--- a/cron.php
+++ b/cron.php
@@ -44,7 +44,7 @@ try {
 		\OC::$server->getLogger()->debug('Update required, skipping cron', ['app' => 'cron']);
 		exit;
 	}
-	if (\OC::$server->getSystemConfig()->getValue('maintenance', false)) {
+	if ((bool) \OC::$server->getSystemConfig()->getValue('maintenance', false)) {
 		\OC::$server->getLogger()->debug('We are in maintenance mode, skipping cron', ['app' => 'cron']);
 		exit;
 	}