diff --git a/hgext/uncommit.py b/hgext/uncommit.py
--- a/hgext/uncommit.py
+++ b/hgext/uncommit.py
@@ -214,12 +214,13 @@
     marked as modified `hg status`)
     """
 
+    opts = pycompat.byteskwargs(opts)
     unfi = repo.unfiltered()
     with repo.wlock(), repo.lock(), repo.transaction('unamend'):
 
         # identify the commit from which to unamend
         curctx = repo['.']
-
+        match = scmutil.match(curctx, opts)
         rewriteutil.precheck(repo, [curctx.rev()], 'unamend')
 
         # identify the commit to which to unamend
@@ -256,7 +257,7 @@
         dirstate = repo.dirstate
 
         with dirstate.parentchange():
-            _fixdirstate(repo, curctx, newpredctx)
+            _fixdirstate(repo, curctx, newpredctx, match)
 
         mapping = {curctx.node(): (newprednode,)}
         scmutil.cleanupnodes(repo, mapping, 'unamend', fixphase=True)