diff --git a/src/config/locales/pl-PL.json b/src/config/locales/pl-PL.json
index d68e2bf3a..daab9bb78 100644
--- a/src/config/locales/pl-PL.json
+++ b/src/config/locales/pl-PL.json
@@ -203,7 +203,9 @@
     "no_internet": "No connection!",
     "confirm": "Confirm",
     "removed": "Removed",
-    "same_user": "This user already added to list"
+    "same_user": "This user already added to list",
+    "unknow_error": "An error occurred",
+    "error": "Error"
   },
   "post": {
     "reblog_alert": "Are you sure you want to reblog?",