diff --git a/modules/ticket/back/methods/ticket/saveSign.js b/modules/ticket/back/methods/ticket/saveSign.js
index 00211b6b5e..aa970237f3 100644
--- a/modules/ticket/back/methods/ticket/saveSign.js
+++ b/modules/ticket/back/methods/ticket/saveSign.js
@@ -83,6 +83,8 @@ module.exports = Self => {
                 hasFile: true
             };
             dms = await models.Dms.uploadFile(ctxUploadFile, myOptions);
+            // Si se ha subido ya la firma, no se vuelve a subir, ya que si no
+            // da un error de deadlock en la db
             isSignUploaded = true;
         }