diff --git a/config/locales/en-GB.yml b/config/locales/en-GB.yml
index ab7e4be2bf..01c195382f 100644
--- a/config/locales/en-GB.yml
+++ b/config/locales/en-GB.yml
@@ -1,4 +1,4 @@
-en_GB:
+en-GB:
   activerecord:
     attributes:
       spree/order: