diff --git a/lib/redmine/scm/adapters/git_adapter.rb b/lib/redmine/scm/adapters/git_adapter.rb
index e0c5d4763..8a1c208ff 100644
--- a/lib/redmine/scm/adapters/git_adapter.rb
+++ b/lib/redmine/scm/adapters/git_adapter.rb
@@ -83,12 +83,13 @@ module Redmine
           cmd_args = %w|branch --no-color --verbose --no-abbrev|
           git_cmd(cmd_args) do |io|
             io.each_line do |line|
-              branch_rev = line.match('\s*(\*?)\s*(.*?)\s*([0-9a-f]{40}).*$')
-              bran = GitBranch.new(branch_rev[2])
-              bran.revision =  branch_rev[3]
-              bran.scmid    =  branch_rev[3]
-              bran.is_default = ( branch_rev[1] == '*' )
-              @branches << bran
+              if branch_rev = line.match('\s*(\*?)\s*(.*?)\s*([0-9a-f]{40}).*$')
+                bran = GitBranch.new(branch_rev[2])
+                bran.revision =  branch_rev[3]
+                bran.scmid    =  branch_rev[3]
+                bran.is_default = ( branch_rev[1] == '*' )
+                @branches << bran
+              end
             end
           end
           @branches.sort!