diff --git a/modules/multimedia/multimedia_file.model.js b/modules/multimedia/multimedia_file.model.js
index 65b0f4b..281e25e 100644
--- a/modules/multimedia/multimedia_file.model.js
+++ b/modules/multimedia/multimedia_file.model.js
@@ -42,9 +42,14 @@ module.exports = function (sequelize, DataTypes) {
 
     MultimediaFile.addScope('includeMultimedias', () => {
         return {
-            include: [
-                { model: sequelize.models.Multimedia, as: { singular: 'multimedia', plural: 'multimedias' } }
-            ]
+            include: [{ 
+                model: sequelize.models.Multimedia, 
+                as: { 
+                    singular: 'multimedia', 
+                    plural: 'multimedias' 
+                },
+                required: false,
+            }]
         }
     });
 
diff --git a/modules/multimedia/multimedia_file.routes.js b/modules/multimedia/multimedia_file.routes.js
index ae3f473..e33a88f 100644
--- a/modules/multimedia/multimedia_file.routes.js
+++ b/modules/multimedia/multimedia_file.routes.js
@@ -21,7 +21,7 @@ routes.get('/multimediafiles', cacheSuccesses('24 hours'),
         invalidFields: generalInvalidFields
     }),
     PaginateMiddleware.middleware(),
-    //SortMiddleware.middleware({ default: "init_available_date" }), 
+    SortMiddleware.middleware({ default: "createdAt" }), 
     multimediaFileController.find({
         scopes: ['includeMultimedias']
     })