diff --git a/hgext/shelve.py b/hgext/shelve.py
--- a/hgext/shelve.py
+++ b/hgext/shelve.py
@@ -772,7 +772,7 @@
     with repo.ui.configoverride(overrides, 'unshelve'):
         ui.status(_('rebasing shelved changes\n'))
         stats = merge.graft(repo, shelvectx, shelvectx.p1(),
-                           labels=['dest', 'source'],
+                           labels=['shelve', 'working-copy'],
                            keepconflictparent=True)
         if stats.unresolvedcount:
             tr.close()
diff --git a/tests/test-shelve.t b/tests/test-shelve.t
--- a/tests/test-shelve.t
+++ b/tests/test-shelve.t
@@ -376,11 +376,11 @@
   +++ b/a/a
   @@ -1,2 +1,6 @@
    a
-  +<<<<<<< dest:   * - shelve: pending changes temporary commit (glob)
+  +<<<<<<< shelve:       562f7831e574 - shelve: pending changes temporary commit
    c
   +=======
   +a
-  +>>>>>>> source: 32c69314e062 - shelve: changes to: [mq]: second.patch
+  +>>>>>>> working-copy: 32c69314e062 - shelve: changes to: [mq]: second.patch
   diff --git a/b/b b/b.rename/b
   rename from b/b
   rename to b.rename/b
@@ -798,11 +798,11 @@
   M f
   ? f.orig
   $ cat f
-  <<<<<<< dest:   5f6b880e719b - shelve: pending changes temporary commit
+  <<<<<<< shelve:       5f6b880e719b - shelve: pending changes temporary commit
   g
   =======
   f
-  >>>>>>> source: 81152db69da7 - shelve: changes to: commit stuff
+  >>>>>>> working-copy: 81152db69da7 - shelve: changes to: commit stuff
   $ cat f.orig
   g
   $ hg unshelve --abort -t false
@@ -840,11 +840,11 @@
   M f
   ? f.orig
   $ cat f
-  <<<<<<< dest:   * - test: intermediate other change (glob)
+  <<<<<<< shelve:       6b563750f973 - test: intermediate other change
   g
   =======
   f
-  >>>>>>> source: 81152db69da7 - shelve: changes to: commit stuff
+  >>>>>>> working-copy: 81152db69da7 - shelve: changes to: commit stuff
   $ cat f.orig
   g
   $ hg unshelve --abort