diff --git a/db/seeds.rb b/db/seeds.rb
index 1002c91..16d57b8 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -185,7 +185,7 @@
    password: "password123",
    password_confirmation: "password123",
    org: Org.find_by(abbreviation: Rails.configuration.branding[:organisation][:abbreviation]),
-   language: Language.find_by(abbreviation: I18n.locale),
+   language: Language.find_by(abbreviation: FastGettext.locale),
    perms: Perm.all,
    accept_terms: true,
    confirmed_at: Time.zone.now},
@@ -195,7 +195,7 @@
    password: "password123",
    password_confirmation: "password123",
    org: Org.find_by(abbreviation: 'GA'),
-   language: Language.find_by(abbreviation: I18n.locale),
+   language: Language.find_by(abbreviation: FastGettext.locale),
    perms: Perm.where.not(name: ['admin', 'add_organisations', 'change_org_affiliation', 'grant_api_to_orgs']),
    accept_terms: true,
    confirmed_at: Time.zone.now},
@@ -205,7 +205,7 @@
    password: "password123",
    password_confirmation: "password123",
    org: Org.find_by(abbreviation: 'UOS'),
-   language: Language.find_by(abbreviation: I18n.locale),
+   language: Language.find_by(abbreviation: FastGettext.locale),
    perms: Perm.where.not(name: ['admin', 'add_organisations', 'change_org_affiliation', 'grant_api_to_orgs']),
    accept_terms: true,
    confirmed_at: Time.zone.now},
@@ -215,7 +215,7 @@
    password: "password123",
    password_confirmation: "password123",
    org: Org.find_by(abbreviation: 'UOS'),
-   language: Language.find_by(abbreviation: I18n.locale),
+   language: Language.find_by(abbreviation: FastGettext.locale),
    accept_terms: true,
    confirmed_at: Time.zone.now}
 ]
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 71e7c8f..bb5f512 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -38,7 +38,7 @@
   def org_admin_from(org)
     usr = org.users.select{|u| u.can_org_admin?}.first
     usr = User.create!(email: "admin@example.com", firstname: "Org", surname: "Admin",
-                       language: Language.find_by(abbreviation: I18n.locale),
+                       language: Language.find_by(abbreviation: FastGettext.locale),
                        password: "password123", password_confirmation: "password123", 
                        perms: Perm.where.not(name: ['admin', 'add_organisations', 'change_org_affiliation', 'grant_api_to_orgs']),
                        org: org, accept_terms: true, confirmed_at: Time.zone.now) if usr.nil?