diff --git a/app/class_media_file.py b/app/class_media_file.py
index 1807d02..901c34f 100644
--- a/app/class_media_file.py
+++ b/app/class_media_file.py
@@ -1,5 +1,6 @@
 import os
 import math
+import time
 
 class Media:
     _id_counter = 0
@@ -98,8 +99,9 @@ class Media:
         }
 
     def to_dict_stat(self):
-        return {self.id: {
+        return {time.time(): {
             # source
+            "id": self.id,
             "source_file_name": self.source_file_name,
             "source_file": self.source_file,
             "source_duration": self.source_duration,