diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27713b5..f2c2910 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.17.0] - 2025-06-16
+
+### Changed
+
+- Removed useless warning about /dev/loop0
+- Fix windows EFI booting, and a typo
+
 ## [0.16.0] - 2025-06-12
 
 ### Changed
diff --git a/ogclient/lib/python3/BootLib.py b/ogclient/lib/python3/BootLib.py
index ac106b7..6f9e7b5 100644
--- a/ogclient/lib/python3/BootLib.py
+++ b/ogclient/lib/python3/BootLib.py
@@ -128,7 +128,7 @@ def ogBoot (disk, par, nvramperm=False, params=''):
 
             esp_dev = DiskLib.ogDiskToDev (efidisk, efipart)
             esp_mntdir = esp_dev.replace ('dev', 'mnt')
-            os.makedirs (f'{esp_mntdir}/boot/grub', exists_ok=True)
+            os.makedirs (f'{esp_mntdir}/boot/grub', exist_ok=True)
             shutil.copy2 (f'{esp_mntdir}/EFI/{bootlabel}/Boot/grub.cfg', f'{esp_mntdir}/boot/grub/grub.cfg')
 
             # Crear orden de arranque (con unos valores por defecto).
@@ -161,6 +161,11 @@ def ogBoot (disk, par, nvramperm=False, params=''):
                 SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_NOTOS, f'{disk} {par} ({type}, EFI)')
                 return None
 
+            esp_dev = DiskLib.ogDiskToDev (efidisk, efipart)
+            esp_mntdir = esp_dev.replace ('dev', 'mnt')
+            os.makedirs (f'{esp_mntdir}/boot/grub', exist_ok=True)
+            shutil.copy2 (f'{esp_mntdir}/EFI/{bootlabel}/Boot/grub.cfg', f'{esp_mntdir}/boot/grub/grub.cfg')
+
             # Crear orden de arranque (con unos valores por defecto).
             l = re.sub ('^.*EFI(.*)$', r'\1', loader)
             UEFILib.ogNvramAddEntry (bootlabel, l, nvramperm)
diff --git a/ogclient/lib/python3/DiskLib.py b/ogclient/lib/python3/DiskLib.py
index 7ace30a..0b1f113 100644
--- a/ogclient/lib/python3/DiskLib.py
+++ b/ogclient/lib/python3/DiskLib.py
@@ -392,7 +392,8 @@ def ogDevToDisk(arg_dev):
         DEV = arg_dev
 
     if not os.path.exists(DEV):
-        SystemLib.ogRaiseError([], ogGlobals.OG_ERR_NOTFOUND, arg_dev)
+        if '/dev/loop' != DEV[0:9]:
+            SystemLib.ogRaiseError([], ogGlobals.OG_ERR_NOTFOUND, arg_dev)
         return
 
     # Error si no es fichero de bloques o directorio (para LVM).