diff --git a/project.py b/project.py
index 5297a5c..855bd60 100755
--- a/project.py
+++ b/project.py
@@ -2270,8 +2270,8 @@
       if self._allrefs:
         raise GitError('%s cherry-pick %s ' % (self.name, rev))
 
-  def _LsRemote(self):
-    cmd = ['ls-remote']
+  def _LsRemote(self, refs):
+    cmd = ['ls-remote', self.remote.name, refs]
     p = GitCommand(self, cmd, capture_stdout=True)
     if p.Wait() == 0:
       if hasattr(p.stdout, 'decode'):
diff --git a/subcmds/download.py b/subcmds/download.py
index 384af78..dba70ff 100755
--- a/subcmds/download.py
+++ b/subcmds/download.py
@@ -62,9 +62,10 @@
           ps_id = int(m.group(2))
         else:
           ps_id = 1
-          regex = r'refs/changes/%2.2d/%d/(\d+)' % (chg_id % 100, chg_id)
-          output = project._LsRemote()
+          refs = 'refs/changes/%2.2d/%d/' % (chg_id % 100, chg_id)
+          output = project._LsRemote(refs + '*')
           if output:
+            regex = refs + r'(\d+)'
             rcomp = re.compile(regex, re.I)
             for line in output.splitlines():
               match = rcomp.search(line)