diff --git a/ogclient/lib/python3/BootLib.py b/ogclient/lib/python3/BootLib.py
index 5224539..71e2738 100644
--- a/ogclient/lib/python3/BootLib.py
+++ b/ogclient/lib/python3/BootLib.py
@@ -79,6 +79,9 @@ def ogBoot (disk, par, nvramperm=False, params=''):
                         break
             if dev:
                 fstab_part = DiskLib.ogDevToDisk (dev)
+                if not fstab_part:
+                    SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_NOTOS, f'{disk} {par} ({dev})')
+                    return None
             else:
                 return None
             # Montar S.F. de /boot.