diff --git a/src/sftp.c b/src/sftp.c
index 3f16e5a1..c1e51fcd 100644
--- a/src/sftp.c
+++ b/src/sftp.c
@@ -477,7 +477,7 @@ static void sftp_message_free(sftp_message msg)
         return;
     }
 
-    ssh_buffer_free(msg->payload);
+    SSH_BUFFER_FREE(msg->payload);
     SAFE_FREE(msg);
 }