diff --git a/client/public/cz.lang b/client/public/cs.lang
similarity index 100%
rename from client/public/cz.lang
rename to client/public/cs.lang
diff --git a/client/src/client/translations/MessageModule.jsx b/client/src/client/translations/MessageModule.jsx
index ad3c6bbd7..87bef341b 100644
--- a/client/src/client/translations/MessageModule.jsx
+++ b/client/src/client/translations/MessageModule.jsx
@@ -131,8 +131,8 @@ export const MessageModule = new class MessageModule {
         name: 'Italiano',
         visible: true,
       },
-      cz: {
-        file: 'cz.lang',
+      cs: {
+        file: 'cs.lang',
         name: 'Čeština',
         visible: true,
       },