diff --git a/hgext/largefiles/overrides.py b/hgext/largefiles/overrides.py
--- a/hgext/largefiles/overrides.py
+++ b/hgext/largefiles/overrides.py
@@ -998,8 +998,9 @@
         for subpath in sorted(ctx.substate):
             sub = ctx.workingsub(subpath)
             submatch = matchmod.subdirmatcher(subpath, match)
+            subprefix = prefix + subpath + '/'
             sub._repo.lfstatus = True
-            sub.archive(archiver, prefix, submatch)
+            sub.archive(archiver, subprefix, submatch)
 
     archiver.done()
 
@@ -1025,7 +1026,7 @@
         if decode:
             data = repo._repo.wwritedata(name, data)
 
-        archiver.addfile(prefix + repo._path + '/' + name, mode, islink, data)
+        archiver.addfile(prefix + name, mode, islink, data)
 
     for f in ctx:
         ff = ctx.flags(f)
@@ -1051,8 +1052,9 @@
     for subpath in sorted(ctx.substate):
         sub = ctx.workingsub(subpath)
         submatch = matchmod.subdirmatcher(subpath, match)
+        subprefix = prefix + subpath + '/'
         sub._repo.lfstatus = True
-        sub.archive(archiver, prefix + repo._path + '/', submatch, decode)
+        sub.archive(archiver, subprefix, submatch, decode)
 
 # If a largefile is modified, the change is not reflected in its
 # standin until a commit. cmdutil.bailifchanged() raises an exception
diff --git a/mercurial/archival.py b/mercurial/archival.py
--- a/mercurial/archival.py
+++ b/mercurial/archival.py
@@ -340,7 +340,8 @@
         for subpath in sorted(ctx.substate):
             sub = ctx.workingsub(subpath)
             submatch = matchmod.subdirmatcher(subpath, match)
-            total += sub.archive(archiver, prefix, submatch, decode)
+            subprefix = prefix + subpath + '/'
+            total += sub.archive(archiver, subprefix, submatch, decode)
 
     if total == 0:
         raise error.Abort(_('no files match the archive pattern'))
diff --git a/mercurial/subrepo.py b/mercurial/subrepo.py
--- a/mercurial/subrepo.py
+++ b/mercurial/subrepo.py
@@ -343,8 +343,8 @@
             flags = self.fileflags(name)
             mode = 'x' in flags and 0o755 or 0o644
             symlink = 'l' in flags
-            archiver.addfile(prefix + self._path + '/' + name,
-                             mode, symlink, self.filedata(name, decode))
+            archiver.addfile(prefix + name, mode, symlink,
+                             self.filedata(name, decode))
             progress.increment()
         progress.complete()
         return total
@@ -576,7 +576,8 @@
         for subpath in ctx.substate:
             s = subrepo(ctx, subpath, True)
             submatch = matchmod.subdirmatcher(subpath, match)
-            total += s.archive(archiver, prefix + self._path + '/', submatch,
+            subprefix = prefix + subpath + '/'
+            total += s.archive(archiver, subprefix, submatch,
                                decode)
         return total
 
@@ -1673,8 +1674,7 @@
                 data = info.linkname
             else:
                 data = tar.extractfile(info).read()
-            archiver.addfile(prefix + self._path + '/' + bname,
-                             info.mode, info.issym(), data)
+            archiver.addfile(prefix + bname, info.mode, info.issym(), data)
             total += 1
             progress.increment()
         progress.complete()