diff --git a/hgext/largefiles/lfutil.py b/hgext/largefiles/lfutil.py
--- a/hgext/largefiles/lfutil.py
+++ b/hgext/largefiles/lfutil.py
@@ -447,8 +447,7 @@ def updatestandinsbymatch(repo, match):
     # (2) aborting when standins are matched by "match",
     #     because automated committing may specify them directly
     #
-    if getattr(repo, "_isrebasing", False) or \
-            getattr(repo, "_istransplanting", False):
+    if getattr(repo, "_istransplanting", False):
         return match
 
     # Case 1: user calls commit with no specific files or
@@ -537,3 +536,24 @@ def updatestandinsbymatch(repo, match):
     match.matchfn = matchfn
 
     return match
+
+class automatedcommithook(object):
+    '''Statefull hook to update standins at the 1st commit of resuming
+
+    For efficiency, updating standins in the working directory should
+    be avoided while automated committing (like rebase, transplant and
+    so on), because they should be updated before committing.
+
+    But the 1st commit of resuming automated committing (e.g. ``rebase
+    --continue``) should update them, because largefiles may be
+    modified manually.
+    '''
+    def __init__(self, resuming):
+        self.resuming = resuming
+
+    def __call__(self, repo, match):
+        if self.resuming:
+            self.resuming = False # avoids updating at subsequent commits
+            return updatestandinsbymatch(repo, match)
+        else:
+            return match
diff --git a/hgext/largefiles/overrides.py b/hgext/largefiles/overrides.py
--- a/hgext/largefiles/overrides.py
+++ b/hgext/largefiles/overrides.py
@@ -790,11 +790,14 @@ def hgclone(orig, ui, opts, *args, **kwa
     return result
 
 def overriderebase(orig, ui, repo, **opts):
+    resuming = opts.get('continue')
+    repo._lfcommithooks.append(lfutil.automatedcommithook(resuming))
     repo._isrebasing = True
     try:
         return orig(ui, repo, **opts)
     finally:
         repo._isrebasing = False
+        repo._lfcommithooks.pop()
 
 def overridearchive(orig, repo, dest, node, kind, decode=True, matchfn=None,
             prefix=None, mtime=None, subrepos=None):
diff --git a/tests/test-largefiles-update.t b/tests/test-largefiles-update.t
--- a/tests/test-largefiles-update.t
+++ b/tests/test-largefiles-update.t
@@ -509,8 +509,25 @@ it is aborted by conflict.
   $ cat large1
   large1 in #1
 
-  $ hg rebase -q --abort
-  rebase aborted
+Test that rebase updates standins for manually modified largefiles at
+the 1st commit of resuming.
+
+  $ echo "manually modified before 'hg rebase --continue'" > large1
+  $ hg resolve -m normal1
+  (no more unresolved files)
+  $ hg rebase --continue --config ui.interactive=True <<EOF
+  > c
+  > EOF
+  local changed .hglf/large1 which remote deleted
+  use (c)hanged version or (d)elete? c
+
+  $ hg diff -c "tip~1" --nodates .hglf/large1 | grep '^[+-][0-9a-z]'
+  -e5bb990443d6a92aaf7223813720f7566c9dd05b
+  +8a4f783556e7dea21139ca0466eafce954c75c13
+  $ rm -f large1
+  $ hg update -q -C tip
+  $ cat large1
+  manually modified before 'hg rebase --continue'
 
 Test that transplant updates largefiles, of which standins are safely
 changed, even if it is aborted by conflict of other.