diff --git a/interface/.typesafe-i18n.json b/interface/.typesafe-i18n.json
index 59491f06e..a4bf6e3e9 100644
--- a/interface/.typesafe-i18n.json
+++ b/interface/.typesafe-i18n.json
@@ -1,5 +1,5 @@
 {
   "adapter": "react",
-  "baseLocale": "en",
+  "baseLocale": "pl",
   "$schema": "https://unpkg.com/typesafe-i18n@5.16.2/schema/typesafe-i18n.json"
 }