diff --git a/CHANGELOG.md b/CHANGELOG.md
index 747d17b..f5a5872 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ 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).
 
+## [0.22.5] - 2025-07-02
+
+### Fixed
+
+- Fixed booting windows using winboot/kexec
+
 ## [0.22.4] - 2025-07-01
 
 ### Changed
diff --git a/ogclient/lib/python3/BootLib.py b/ogclient/lib/python3/BootLib.py
index cbc21e7..9596df1 100644
--- a/ogclient/lib/python3/BootLib.py
+++ b/ogclient/lib/python3/BootLib.py
@@ -189,12 +189,12 @@ def ogBoot (disk, par, nvramperm=False, params=''):
             winboot = os.environ.get ('winboot', '')
             if 'kexec' == winboot:
                 # Modo de arranque en caliente (con kexec).
-                for f in glob.glob (f'{ogGlobals.OGLIB}/grub4dos/*'):
-                    shutil.copy2 (f, mntdir)
+                cp_cmd = f'cp {ogGlobals.OGLIB}/grub4dos/* {mntdir}'
+                subprocess.run (cp_cmd, shell=True)
                 disk0 = int(disk)-1
                 par0  = int(par)-1
-                subprocess.run (['kexec', '-l', f'{mntdir}/grub.exe', '--append=--config-file=root (hd{disk0},{par0}); chainloader (hd{disk0},{par0})/{loader}; tpm --init'])
-                subprocess.Popen (['kexec', '-e'])
+                subprocess.run (['kexec', '--load', f'{mntdir}/grub.exe', '--append=--config-file=root (hd{disk0},{par0}); chainloader (hd{disk0},{par0})/{loader}; tpm --init'])
+                subprocess.Popen (['kexec', '--exec'])
             else:
                 # Modo de arranque por reinicio (con reboot).
                 subprocess.run (['dd', 'if=/dev/zero', f'of={mntdir}/ogboot.me',         'bs=1024', 'count=3'])