diff --git a/src/borg/archiver.py b/src/borg/archiver.py
index 45d62d31b..002c8f804 100644
--- a/src/borg/archiver.py
+++ b/src/borg/archiver.py
@@ -2546,7 +2546,8 @@ def preprocess_args(self, args):
         deprecations = [
             # ('--old', '--new' or None, 'Warning: "--old" has been deprecated. Use "--new" instead.'),
             ('--noatime', None, 'Warning: "--noatime" has been deprecated because it is the default now.'),
-            ('--nobsdflags', None, 'Warning: "--nobsdflags" has been deprecated. Use --noflags instead.')
+            ('--nobsdflags', None, 'Warning: "--nobsdflags" has been deprecated. Use --noflags instead.'),
+            ('--numeric-owner', None, 'Warning: "--numeric-owner" has been deprecated. Use --numeric-ids instead.'),
         ]
         for i, arg in enumerate(args[:]):
             for old_name, new_name, warning in deprecations:
@@ -2828,6 +2829,8 @@ def define_borg_mount(parser):
             parser.add_argument('-o', dest='options', type=str,
                                 help='Extra mount options')
             parser.add_argument('--numeric-owner', dest='numeric_owner', action='store_true',
+                                  help='deprecated, use ``--numeric-ids`` instead')
+            parser.add_argument('--numeric-ids', dest='numeric_owner', action='store_true',
                                   help='use numeric user and group identifiers from archive(s)')
             define_archive_filters_group(parser)
             parser.add_argument('paths', metavar='PATH', nargs='*', type=str,
@@ -3379,6 +3382,8 @@ def define_borg_mount(parser):
         fs_group.add_argument('-x', '--one-file-system', dest='one_file_system', action='store_true',
                               help='stay in the same file system and do not store mount points of other file systems.  This might behave different from your expectations, see the docs.')
         fs_group.add_argument('--numeric-owner', dest='numeric_owner', action='store_true',
+                              help='deprecated, use ``--numeric-ids`` instead')
+        fs_group.add_argument('--numeric-ids', dest='numeric_owner', action='store_true',
                               help='only store numeric user and group identifiers')
         # --noatime is the default now and the flag is deprecated. args.noatime is not used any more.
         # use --atime if you want to store the atime (default behaviour before borg 1.2.0a7)..
@@ -3709,6 +3714,8 @@ def define_borg_mount(parser):
                                           help='find differences in archive contents')
         subparser.set_defaults(func=self.do_diff)
         subparser.add_argument('--numeric-owner', dest='numeric_owner', action='store_true',
+                               help='deprecated, use ``--numeric-ids`` instead')
+        subparser.add_argument('--numeric-ids', dest='numeric_owner', action='store_true',
                                help='only consider numeric user and group identifiers')
         subparser.add_argument('--same-chunker-params', dest='same_chunker_params', action='store_true',
                                help='Override check of chunker parameters.')
@@ -3813,6 +3820,8 @@ def define_borg_mount(parser):
         subparser.add_argument('-n', '--dry-run', dest='dry_run', action='store_true',
                                help='do not actually change any files')
         subparser.add_argument('--numeric-owner', dest='numeric_owner', action='store_true',
+                               help='deprecated, use ``--numeric-ids`` instead')
+        subparser.add_argument('--numeric-ids', dest='numeric_owner', action='store_true',
                                help='only obey numeric user and group identifiers')
         subparser.add_argument('--nobsdflags', dest='nobsdflags', action='store_true',
                                help='deprecated, use ``--noflags`` instead')