diff --git a/git-remote-hg b/git-remote-hg
index ca9cac0..eb2e0ad 100755
--- a/git-remote-hg
+++ b/git-remote-hg
@@ -652,7 +652,8 @@ def do_list(parser):
         items = orig.branchmap().iteritems()
 
     for branch, heads in items:
-        branch, sep, topic = branch.rpartition(b'//')
+        sep = b':' if b':' in branch else b'//'
+        branch, sep, topic = branch.rpartition(sep)
 
         if not sep:
             branch, topic = topic, None