diff --git a/lib/redmine/scm/adapters/git_adapter.rb b/lib/redmine/scm/adapters/git_adapter.rb
index fcc77f393..4f889d0b1 100644
--- a/lib/redmine/scm/adapters/git_adapter.rb
+++ b/lib/redmine/scm/adapters/git_adapter.rb
@@ -82,6 +82,7 @@ module Redmine
           git_cmd(cmd_args) do |io|
             io.each_line do |line|
               branch_rev = line.match('\s*(\*?)\s*(.*?)\s*([0-9a-f]{40}).*$')
+              next unless branch_rev
               bran = GitBranch.new(branch_rev[2])
               bran.revision =  branch_rev[3]
               bran.scmid    =  branch_rev[3]