diff --git a/src/config/locales/pl/translation.json b/src/config/locales/pl/translation.json
index 6aaa1fed..6d655b85 100644
--- a/src/config/locales/pl/translation.json
+++ b/src/config/locales/pl/translation.json
@@ -175,6 +175,7 @@
       "title": "Wygląd",
       "theme_color": "Kolor motywu",
       "theme": {
+        "system": "System",
         "light": "Jasny",
         "dark": "Ciemny",
         "solarized_light": "SolarizedLight",