diff --git a/services/MediaTranscriber.php b/services/MediaTranscriber.php
index 3e862ef..7f346c4 100644
--- a/services/MediaTranscriber.php
+++ b/services/MediaTranscriber.php
@@ -60,6 +60,11 @@ class MediaTranscriber
         $media = self::downloadMedia($mediaId);
         if ($media === null) return null;
 
+        // Servidor Whisper propio tiene prioridad sobre el proveedor IA
+        if (trim($cfg['whisper_url'] ?? '') !== '') {
+            return self::whisper($media['bytes'], $media['mime'], $cfg);
+        }
+
         return match ($provider) {
             'openai' => self::whisper($media['bytes'], $media['mime'], $cfg),
             'gemini' => self::geminiAudio($media['bytes'], $media['mime'], $cfg),