diff --git a/MediaBrowser.Server.Implementations/Localization/Ratings/gb.txt b/MediaBrowser.Server.Implementations/Localization/Ratings/gb.txt
index 44bf2dde4..c1f7d0452 100644
--- a/MediaBrowser.Server.Implementations/Localization/Ratings/gb.txt
+++ b/MediaBrowser.Server.Implementations/Localization/Ratings/gb.txt
@@ -1,7 +1,7 @@
-U,1
-PG,5
-12,6
-12A,7
-15,8
-18,9
-R18,15
\ No newline at end of file
+GB-U,1
+GB-PG,5
+GB-12,6
+GB-12A,7
+GB-15,8
+GB-18,9
+GB-R18,15