diff -r ff1ff2aae132 -r 66048f6b5d0d hgext/uncommit.py
--- a/hgext/uncommit.py	Sat Sep 07 13:44:29 2019 -0400
+++ b/hgext/uncommit.py	Sat Sep 07 23:20:11 2019 -0400
@@ -112,7 +112,8 @@
     [('', 'keep', None, _('allow an empty commit after uncommiting')),
      ('', 'allow-dirty-working-copy', False,
     _('allow uncommit with outstanding changes'))
-    ] + commands.walkopts + commands.commitopts + commands.commitopts2,
+    ] + commands.walkopts + commands.commitopts + commands.commitopts2
+    + commands.commitopts3,
     _('[OPTION]... [FILE]...'),
     helpcategory=command.CATEGORY_CHANGE_MANAGEMENT)
 def uncommit(ui, repo, *pats, **opts):
@@ -128,6 +129,8 @@
     """
     opts = pycompat.byteskwargs(opts)
 
+    cmdutil.resolvecommitoptions(ui, opts)
+
     with repo.wlock(), repo.lock():
 
         m, a, r, d = repo.status()[:4]