diff --git a/services/BotService.php b/services/BotService.php
index effd256..b2b6291 100644
--- a/services/BotService.php
+++ b/services/BotService.php
@@ -504,6 +504,7 @@ class BotService {
         if (!$msg) return;
 
         // Adjuntar URL del documento solo si es una URL pública y no está ya incluida en el mensaje
+        // Normalizar protocolo para la comparación (http vs https no deben importar)
         if (!empty($terms['documento_url'])) {
             $docUrl = $terms['documento_url'];
             $isLocal = (
@@ -511,7 +512,9 @@ class BotService {
                 strpos($docUrl, '127.0.0.1') !== false ||
                 preg_match('/https?:\/\/\d+\.\d+\.\d+\.\d+:\d+/', $docUrl)
             );
-            if (!$isLocal && strpos($msg, $docUrl) === false) {
+            $docUrlNormalized = preg_replace('#^https?://#', '', $docUrl);
+            $msgNormalized    = preg_replace('#https?://#', '', $msg);
+            if (!$isLocal && strpos($msgNormalized, $docUrlNormalized) === false) {
                 $msg .= "\n\n📄 Documento: " . $docUrl;
             }
         }