diff --git a/app/helpers/timelog_helper.rb b/app/helpers/timelog_helper.rb
index 019b441a0..2c3e500a5 100644
--- a/app/helpers/timelog_helper.rb
+++ b/app/helpers/timelog_helper.rb
@@ -79,7 +79,7 @@ module TimelogHelper
   def report_to_csv(report)
     Redmine::Export::CSV.generate(:encoding => params[:encoding]) do |csv|
       # Column headers
-      headers = report.criteria.collect {|criteria| l(report.available_criteria[criteria][:label]) }
+      headers = report.criteria.collect {|criteria| l_or_humanize(report.available_criteria[criteria][:label]) }
       headers += report.periods
       headers << l(:label_total_time)
       csv << headers
diff --git a/test/functional/timelog_report_test.rb b/test/functional/timelog_report_test.rb
index a643522d3..842307050 100644
--- a/test/functional/timelog_report_test.rb
+++ b/test/functional/timelog_report_test.rb
@@ -247,14 +247,14 @@ class TimelogReportTest < Redmine::ControllerTest
       :columns => 'month',
       :from => "2007-01-01",
       :to => "2007-06-30",
-      :criteria => ["project", "user", "activity"],
+      :criteria => ["project", "user", "cf_10"],
       :format => "csv"
     }
     assert_response :success
     assert_equal 'text/csv', @response.content_type
     lines = @response.body.chomp.split("\n")
     # Headers
-    assert_equal 'Project,User,Activity,2007-3,2007-4,Total time', lines.first
+    assert_equal 'Project,User,Overtime,2007-3,2007-4,Total time', lines.first
     # Total row
     assert_equal 'Total time,"","",154.25,8.65,162.90', lines.last
   end