diff --git a/_translations/index_gal.md b/_translations/index_gal.md
index ab4d127b8..668d43246 100644
--- a/_translations/index_gal.md
+++ b/_translations/index_gal.md
@@ -3,7 +3,7 @@ layout: signed
 title: Unha carta aberta en apoio a Richard M. Stallman
 description: Unha carta aberta en apoio a reincorporación de Richard M. Stallman á Free Software Foundation
 image: /assets/social-media-preview_gal_GAL.png
-locale: ES-GA
+locale: gal_ES
 twitter:
   card: summary_large_image
 ---