diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -5467,9 +5467,11 @@ def summary(ui, repo, **opts):
         other = hg.peer(repo, {}, source)
         revs, checkout = hg.addbranchrevs(repo, other, branches,
                                           opts.get('rev'))
+        if revs:
+            revs = [other.lookup(rev) for rev in revs]
         ui.debug('comparing with %s\n' % util.hidepassword(source))
         repo.ui.pushbuffer()
-        commoninc = discovery.findcommonincoming(repo, other)
+        commoninc = discovery.findcommonincoming(repo, other, heads=revs)
         _common, incoming, _rheads = commoninc
         repo.ui.popbuffer()
         if incoming:
diff --git a/tests/test-url-rev.t b/tests/test-url-rev.t
--- a/tests/test-url-rev.t
+++ b/tests/test-url-rev.t
@@ -100,6 +100,16 @@ Changing original repo:
   update: (current)
   remote: 1 outgoing
 
+  $ hg -q --cwd ../clone incoming '../repo#foo'
+  2:faba9097cad4
+  $ hg --cwd ../clone summary --remote --config paths.default='../repo#foo'
+  parent: 1:cd2a86ecc814 tip
+   change a
+  branch: foo
+  commit: (clean)
+  update: (current)
+  remote: 1 or more incoming
+
   $ hg -q push '../clone#foo'
 
   $ hg --cwd ../clone heads
@@ -115,6 +125,16 @@ Changing original repo:
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     add a
   
+  $ hg -q --cwd ../clone incoming '../repo#foo'
+  [1]
+  $ hg --cwd ../clone summary --remote --config paths.default='../repo#foo'
+  parent: 1:cd2a86ecc814 
+   change a
+  branch: foo
+  commit: (clean)
+  update: 1 new changesets (update)
+  remote: (synced)
+
   $ cd ..
 
   $ cd clone