diff --git a/boottools/btog.py b/boottools/btog.py
index 87e48d0..3b4ded1 100644
--- a/boottools/btog.py
+++ b/boottools/btog.py
@@ -365,17 +365,16 @@ def mkisofs (pxepkg, isolinux_tpl, bttargetdir, nameisoclient):
     #el ogclienteToISO  debe tener una copia del ogvmlinuz como linuxISO
     #cp -prv /var/lib/tftpboot/ogclientToIso/* /tmp/iso/ogclient
 
-    today = datetime.datetime.now(datetime.timezone.utc).strftime ('%Y%m%d')
     oldpwd = os.getcwd()
     os.chdir ('/tmp')
-    logger.debug (f'mkisofs -quiet -V ogClient -o {nameisoclient}-{today}.iso -b isolinux/isolinux.bin -c isolinux/boot.cat -J -no-emul-boot -boot-load-size 4 -boot-info-table /tmp/iso')
-    utils.run (['mkisofs', '-quiet', '-V', 'ogClient', '-o', f'{nameisoclient}-{today}.iso', '-b', 'isolinux/isolinux.bin', '-c', 'isolinux/boot.cat', '-J', '-no-emul-boot', '-boot-load-size', '4', '-boot-info-table', '/tmp/iso'])
+    logger.debug (f'mkisofs -quiet -V ogClient -o {nameisoclient}.iso -b isolinux/isolinux.bin -c isolinux/boot.cat -J -no-emul-boot -boot-load-size 4 -boot-info-table /tmp/iso')
+    utils.run (['mkisofs', '-quiet', '-V', 'ogClient', '-o', f'{nameisoclient}.iso', '-b', 'isolinux/isolinux.bin', '-c', 'isolinux/boot.cat', '-J', '-no-emul-boot', '-boot-load-size', '4', '-boot-info-table', '/tmp/iso'])
 
-    utils.write_md5 (f'{nameisoclient}-{today}.iso')
+    utils.write_md5 (f'{nameisoclient}.iso')
     os.chdir (oldpwd)
 
-    shutil.move (f'/tmp/{nameisoclient}-{today}.iso'    , f'/var/lib/tftpboot/ogclient/{nameisoclient}-{today}.iso')
-    shutil.move (f'/tmp/{nameisoclient}-{today}.iso.sum', f'/var/lib/tftpboot/ogclient/{nameisoclient}-{today}.iso.sum')
+    shutil.move (f'/tmp/{nameisoclient}.iso'    , f'/var/lib/tftpboot/ogclient/{nameisoclient}.iso')
+    shutil.move (f'/tmp/{nameisoclient}.iso.sum', f'/var/lib/tftpboot/ogclient/{nameisoclient}.iso.sum')
 
 #def __unused_boottoolsBootGraphics():
 #    find /tmp/opengnsys_installer/ -name .svn -type d -exec rm -fr {} \; 2>/dev/null;
diff --git a/mkoglive.py b/mkoglive.py
index 79f369a..72d04db 100755
--- a/mkoglive.py
+++ b/mkoglive.py
@@ -8,6 +8,7 @@ import glob
 import stat
 import shutil
 import argparse
+import datetime
 
 curdir = os.path.dirname (__file__)
 sys.path.insert (0, curdir)
@@ -144,7 +145,8 @@ def _main (cfgfile, config, type_client):
 
     logger.info ('STAGE 4 - generate distribution files')
     pxepkg = _get_pxepkg()
-    nameisoclient  = '-'.join (['ogLive', oscodename, osrelease, osarch, gitrelease])
+    today = datetime.datetime.now(datetime.timezone.utc).strftime ('%Y%m%d')
+    nameisoclient  = '-'.join (['ogLive', oscodename, osrelease, osarch, gitrelease+'_'+today])
     _mkinitrd_squashfs_isofs (bttargetdir, osrelease, btrootfsimg, btrootfsmnt, pxepkg, isolinux_tpl, nameisoclient)
 
     logger.info ('OpenGnsys installation finished')