diff --git a/bundles/backup-server/files/check_backup_for_node b/bundles/backup-server/files/check_backup_for_node
index e29303c..9765c59 100644
--- a/bundles/backup-server/files/check_backup_for_node
+++ b/bundles/backup-server/files/check_backup_for_node
@@ -7,7 +7,7 @@ from sys import argv, exit
 from time import time
 
 NODE = argv[1]
-ONE_BACKUP_EVERY_HOURS = argv[2]
+ONE_BACKUP_EVERY_HOURS = int(argv[2])
 
 NOW = int(time())
 DAY_SECONDS = 60 * 60 * 24