diff --git a/evolutionapi/services/message.py b/evolutionapi/services/message.py
index 79efaae..4267bd6 100644
--- a/evolutionapi/services/message.py
+++ b/evolutionapi/services/message.py
@@ -33,6 +33,7 @@ def send_media(self, instance_id: str, message: MediaMessage, instance_token: st
             'mimetype': (None, message.mimetype, 'text/plain'),
             'caption': (None, message.caption, 'text/plain'),
             'fileName': (None, message.fileName, 'text/plain'),
+            'media': (None, message.media, 'text/plain')
         }
         
         # Adicionar delay apenas se existir
@@ -202,4 +203,4 @@ def send_buttons(self, instance_id: str, message: ButtonMessage, instance_token:
             f'message/sendButtons/{instance_id}',
             data=data,
             instance_token=instance_token
-        )
\ No newline at end of file
+        )