diff --git a/_locales/cs_CZ/messages.json b/_locales/cs/messages.json
similarity index 100%
rename from _locales/cs_CZ/messages.json
rename to _locales/cs/messages.json
diff --git a/crowdin.yaml b/crowdin.yaml
index 676e0bf672e20c55a0cde0960ea60e44da2abc4e..b5edf3154eb2a80f534426781d3be3cf11137b47 100644
--- a/crowdin.yaml
+++ b/crowdin.yaml
@@ -8,12 +8,13 @@
       "locale_with_underscore":
         "ar": "ar"
         "bg": "bg"
+        "cs": "cs"
         "da": "da"
         "de": "de"
         "el": "el"
-        "et": "et"
         "eo": "eo"
         "es-ES": "es"
+        "et": "et"
         "fi": "fi"
         "fr": "fr"
         "he": "he"