diff --git a/omv_backups_v3.py b/omv_backups_v3.py
index 04df7f8..ba29e40 100644
--- a/omv_backups_v3.py
+++ b/omv_backups_v3.py
@@ -36,7 +36,7 @@ mqtt_username = 'jaydee'
 mqtt_password = 'jaydee1'
 print("1")
 try:
-    opts, args = getopt.getopt(sys.argv[1:], "amftdr:", ["command=", "help", "output="])
+    opts, args = getopt.getopt(sys.argv[1:], "amftdr:b", ["command=", "help", "output="])
 except getopt.GetoptError as err:
     #usage()
     sys.exit(2)