diff --git a/python/vyos/utils/system.py b/python/vyos/utils/system.py
index 7b12efb147..a556a8ec4e 100644
--- a/python/vyos/utils/system.py
+++ b/python/vyos/utils/system.py
@@ -145,5 +145,5 @@ def get_secure_boot_state() -> bool:
     from vyos.utils.boot import is_uefi_system
     if not is_uefi_system():
         return False
-    tmp = cmd('mokutil --sb-state')
+    tmp = cmd('mokutil --sb-state', expect=[255])
     return bool('enabled' in tmp)