diff --git a/home/bin/cssh b/home/bin/cssh
index dbe2615..e7549b2 100755
--- a/home/bin/cssh
+++ b/home/bin/cssh
@@ -451,7 +451,7 @@ def parse_ssh_config(ssh_config_file_path) -> SshConfig:
 
 
 def main():
-    logging.basicConfig(level=logging.DEBUG)
+    logging.basicConfig(level=logging.INFO)
     arg_parser = argparse.ArgumentParser('cssh (colored ssh) opens a terminal window with a background color that depends on the fully qualified domain name of the target machine')
     arg_parser.add_argument('ssh_target', help='eg root@alambix50.ipr.univ-rennes.fr')
     args = arg_parser.parse_args()
@@ -459,15 +459,16 @@ def main():
     ssh_target = SshTarget(args.ssh_target)  # eg 'root@alambix50.ipr.univ-rennes.fr'
     
     ssh_config_file_path: Path = Path(os.getenv('HOME')) / '.ssh' / 'config'
-    host_real_name = ssh_target.host_id
+    host_real_name = None
     if ssh_config_file_path.exists():
         ssh_config = parse_ssh_config(ssh_config_file_path)
         hn = ssh_config.get_host_name(ssh_target.host_id)
         if hn:
             host_real_name = hn
+    if host_real_name is None:
+        host_real_name = get_host_real_fqdn(ssh_target.host_id)
 
     logging.debug('host_real_name = %s', host_real_name)
-    ssh_target.host_id = get_host_real_fqdn(host_real_name)
     logging.debug('ssh_target.host_id = %s', ssh_target.host_id)
     # AS_ROOT='false'
     # if [ "$(echo $@ | grep '^root@' > /dev/null)" ]
@@ -512,7 +513,7 @@ def main():
     else:
         raise NotImplementedError(f'unhandled os : "{os_name}"')
 
-    proc = subprocess.run(['make_color.py', ssh_target.host_id, str(color_value), str(color_saturation), 'linux'], check=True, stdout=subprocess.PIPE)
+    proc = subprocess.run(['make_color.py', host_real_name, str(color_value), str(color_saturation), 'linux'], check=True, stdout=subprocess.PIPE)
     bg_color_as_str = proc.stdout.decode('utf8').strip()
     match = re.match(r'\((?P<red>[0-9]+), (?P<green>[0-9]+), (?P<blue>[0-9]+)\)', bg_color_as_str)
     assert match, f'unexpected color as string: {bg_color_as_str}'