diff --git a/eoptasks/eoptasks.py b/eoptasks/eoptasks.py
index 34259cd..3507583 100755
--- a/eoptasks/eoptasks.py
+++ b/eoptasks/eoptasks.py
@@ -30,6 +30,10 @@
 #  eoptasks -k saas/test/passerelle,ext/test --list-servers
 #   List servers that have saas AND test AND passerelle keywords, OR the
 #   ext AND test keywords.
+#
+#  eoptasks -k saas/prod -x ^node,^database.node,.*docbow sudo apt install publik-base-theme
+#   Install/upgrade publik-base-theme on all production server of the SaaS excepted
+#   the hypervisor, database, and docbow nodes.
 
 import argparse
 import configparser
@@ -96,6 +100,7 @@ def parse_args():
     parser.add_argument('--command-server-name', dest='command_server_name', type=str)
     parser.add_argument('--noinput', dest='noinput', action='store_true')
     parser.add_argument('-k', dest='keywords', type=str)
+    parser.add_argument('-x', dest='exclude', type=str)
     parser.add_argument('cmd', type=str, nargs='?', default=None)
     parser.add_argument('args', nargs=argparse.REMAINDER)
     args = parser.parse_args()
@@ -114,8 +119,13 @@ def filter_servers(servers, args):
                 selected_servers = [x for x in selected_servers if keyword[1:] not in x.keywords]
     else:
         selected_servers = servers
+    if args.exclude:
+        for exclude in args.exclude.split(','):
+            regex = re.compile(exclude)
+            selected_servers = [x for x in selected_servers if not regex.match(x.name)]
     return selected_servers
 
+
 def status_window(args):
     session_name = args.session_name
     curses.setupterm()