diff --git a/lib/l10n/es_ES/app_es_ES.arb b/lib/l10n/es_ES/app_es_ES.arb
index 57f9d056..e2bd10ee 100644
--- a/lib/l10n/es_ES/app_es_ES.arb
+++ b/lib/l10n/es_ES/app_es_ES.arb
@@ -563,6 +563,8 @@
   "@response502": {},
   "response503": "Servicio no disponible",
   "@response503": {},
+  "responseUnknown": "Respuesta desconocida",
+  "@responseUnknown": {},
   "searchParts": "Buscar piezas",
   "@searchParts": {},
   "stock": "Stock",