diff --git a/db/seeds.rb b/db/seeds.rb
index 69f9e6b..3da041d 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -27,11 +27,11 @@
 # Languages (check config/locales for any ones not defined here)
 # -------------------------------------------------------
 languages = [
-  {abbreviation: 'en-UK',
+  {abbreviation: 'en_UK',
    description: 'UK English',
    name: 'English (UK)',
    default_language: true},
-  {abbreviation: 'en-US',
+  {abbreviation: 'en_US',
    description: 'US English',
    name: 'English (US)',
    default_language: false},