diff --git a/app/models/repository/git.rb b/app/models/repository/git.rb
index 041175572..7c484e87f 100644
--- a/app/models/repository/git.rb
+++ b/app/models/repository/git.rb
@@ -38,8 +38,8 @@ class Repository::Git < Repository
     'Git'
   end
 
-  def commits(authors, start_date, end_date)
-    scm.commits(authors, start_date, end_date).map {|commit|
+  def commits(authors, start_date, end_date, branch='master')
+    scm.commits(authors, start_date, end_date,branch).map {|commit|
       [commit[:author], commit[:num]]
     }
   end
diff --git a/lib/redmine/scm/adapters/git_adapter.rb b/lib/redmine/scm/adapters/git_adapter.rb
index 6c56a7e24..927018b34 100644
--- a/lib/redmine/scm/adapters/git_adapter.rb
+++ b/lib/redmine/scm/adapters/git_adapter.rb
@@ -396,10 +396,10 @@ module Redmine
           sum[:insertion] + sum[:deletion]
         end
 
-        def commits(authors, start_date, end_date)
+        def commits(authors, start_date, end_date, branch='master')
           rs = []
           authors.each do |author|
-            cmd_args = %W|log --pretty=tformat: --shortstat --author=#{author} --since=#{start_date} --until=#{end_date}|
+            cmd_args = %W|log #{branch} --pretty=tformat: --shortstat --author=#{author} --since=#{start_date} --until=#{end_date}|
             commits = ''
             git_cmd(cmd_args) do |io|
               commits = io.read