1 files changed, 5 insertions, 5 deletions

diff --git a/app/services/issues/export_csv_service.rb b/app/services/issues/export_csv_service.rb
index 9e524d90505..99c0e9f1a37 100644
--- a/app/services/issues/export_csv_service.rb
+++ b/app/services/issues/export_csv_service.rb
@@ -34,14 +34,14 @@ module Issues
         'Assignee Username' => -> (issue) { issue.assignees.map(&:username).join(', ') },
         'Confidential' => -> (issue) { issue.confidential? ? 'Yes' : 'No' },
         'Locked' => -> (issue) { issue.discussion_locked? ? 'Yes' : 'No' },
-        'Due Date' => -> (issue) { issue.due_date&.to_s(:csv) },
-        'Created At (UTC)' => -> (issue) { issue.created_at&.to_s(:csv) },
-        'Updated At (UTC)' => -> (issue) { issue.updated_at&.to_s(:csv) },
-        'Closed At (UTC)' => -> (issue) { issue.closed_at&.to_s(:csv) },
+        'Due Date' => -> (issue) { issue.due_date&.to_fs(:csv) },
+        'Created At (UTC)' => -> (issue) { issue.created_at&.to_fs(:csv) },
+        'Updated At (UTC)' => -> (issue) { issue.updated_at&.to_fs(:csv) },
+        'Closed At (UTC)' => -> (issue) { issue.closed_at&.to_fs(:csv) },
         'Milestone' => -> (issue) { issue.milestone&.title },
         'Weight' => -> (issue) { issue.weight },
         'Labels' => -> (issue) { issue_labels(issue) },
-        'Time Estimate' => ->(issue) { issue.time_estimate.to_s(:csv) },
+        'Time Estimate' => ->(issue) { issue.time_estimate.to_fs(:csv) },
         'Time Spent' => -> (issue) { issue_time_spent(issue) }
       }
     end