diff --git a/manifest.json b/manifest.json
index 8f9df9f..c51f3a0 100644
--- a/manifest.json
+++ b/manifest.json
@@ -50,7 +50,7 @@
                     "en": "Choose the application language",
                     "fr": "Choisissez la langue de l'application"
                 },
-                "choices": ["fr_FR", "en-GB"],
+                "choices": ["fr_FR", "en_GB"],
                 "default": "fr_FR"
             },
             {