diff --git a/lib/redmine/scm/adapters/mercurial_adapter.rb b/lib/redmine/scm/adapters/mercurial_adapter.rb
index 53f24735c..0d6965636 100644
--- a/lib/redmine/scm/adapters/mercurial_adapter.rb
+++ b/lib/redmine/scm/adapters/mercurial_adapter.rb
@@ -210,12 +210,17 @@ module Redmine
                :from_path     => (cpmap.member?(p) ? with_leading_slash(cpmap[p]) : nil),
                :from_revision => (cpmap.member?(p) ? le['node'] : nil)}
             end.sort { |a, b| a[:path] <=> b[:path] }
+            parents_ary = []
+            as_ary(le['parents']['parent']).map do |par|
+              parents_ary << par['__content__'] if par['__content__'] != "000000000000"
+            end
             yield Revision.new(:revision => le['revision'],
                                :scmid    => le['node'],
                                :author   => (le['author']['__content__'] rescue ''),
                                :time     => Time.parse(le['date']['__content__']),
                                :message  => le['msg']['__content__'],
-                               :paths    => paths)
+                               :paths    => paths,
+                               :parents  => parents_ary)
           end
           self
         end