diff --git a/dlls/kernel32/nls/winerr_plk.mc b/dlls/kernel32/nls/winerr_plk.mc
index cb1517bbae5..6fd397c3c62 100644
--- a/dlls/kernel32/nls/winerr_plk.mc
+++ b/dlls/kernel32/nls/winerr_plk.mc
@@ -3729,3 +3729,8 @@ SymbolicName=RPC_S_GRP_ELT_NOT_REMOVED
 Language=PLK
 RPC_S_GRP_ELT_NOT_REMOVED
 .
+MessageId=2221
+SymbolicName=NERR_UserNotFound
+Language=PLK
+Nie znaleziono nazwy użytkownika
+.