diff --git a/ext/src/_locales/es/messages.json b/ext/src/_locales/es/messages.json
index 4fd92aa..56587a6 100644
--- a/ext/src/_locales/es/messages.json
+++ b/ext/src/_locales/es/messages.json
@@ -34,6 +34,10 @@
         "message": "a:"
       , "description": "Cast <select> (to:)"
     }
+  , "popupNoReceiversFound": {
+        "message": "No se encontraron dispositivos receptores"
+      , "description": "Message displayed in the receiver selector if there are no available receivers."
+    }
   , "popupCastButtonTitle": {
         "message": "Transmitir"
       , "description": "Button text for each receiver entry in the receiver selector."