diff --git a/CHANGELOG.md b/CHANGELOG.md
index c3cc8c0b3..383d5e588 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Next release
 
+- Fix a bug: unable to show gender in global export
+
 ## v6.3.27 2024 June 12
 
 - Fix a bug: unable to show gender wowan in member export
diff --git a/app/helpers/excel_helper.rb b/app/helpers/excel_helper.rb
index 3cf3c14c4..77c1377f2 100644
--- a/app/helpers/excel_helper.rb
+++ b/app/helpers/excel_helper.rb
@@ -31,7 +31,7 @@ def statistics_line(hit, user, type, subtype, date_format)
       user&.profile&.full_name || t('export.deleted_user'),
       user&.email || '',
       user&.profile&.phone || '',
-      hit['_source']['gender'].nil? ? t("export.#{hit['_source']['gender']}") : '',
+      !hit['_source']['gender'].nil? ? t("export.#{hit['_source']['gender']}") : '',
       hit['_source']['age'],
       subtype.nil? ? '' : subtype.label
     ]
diff --git a/app/models/statistic_profile.rb b/app/models/statistic_profile.rb
index 4bd910163..a050ce876 100644
--- a/app/models/statistic_profile.rb
+++ b/app/models/statistic_profile.rb
@@ -31,7 +31,7 @@ class StatisticProfile < ApplicationRecord
   validate :check_birthday_in_past
 
   def str_gender
-    return '' if gender.blank?
+    return '' if gender.nil?
 
     gender ? 'male' : 'female'
   end
diff --git a/app/views/exports/users_members.xlsx.axlsx b/app/views/exports/users_members.xlsx.axlsx
index d63eccf32..929c562a8 100644
--- a/app/views/exports/users_members.xlsx.axlsx
+++ b/app/views/exports/users_members.xlsx.axlsx
@@ -51,7 +51,7 @@ wb.add_worksheet(name: ExcelService.name_safe(t('export_members.members'))) do |
       member.email,
       member.is_allow_newsletter,
       member.last_sign_in_at&.to_date,
-      member.statistic_profile.gender.nil? ? (member.statistic_profile.gender ? t('export_members.man') : t('export_members.woman')) : '',
+      !member.statistic_profile.gender.nil? ? (member.statistic_profile.gender ? t('export_members.man') : t('export_members.woman')) : '',
       member.statistic_profile.age,
       member.invoicing_profile&.address&.address || '',
       member.profile.phone,