diff --git a/ereuse_devicehub/resources/action/models.py b/ereuse_devicehub/resources/action/models.py
index 9c93ef29..b04e62ac 100644
--- a/ereuse_devicehub/resources/action/models.py
+++ b/ereuse_devicehub/resources/action/models.py
@@ -557,7 +557,7 @@ class Snapshot(JoinedWithOneDeviceMixin, ActionWithOneDevice):
             for act in hd.actions:
                 if not act.type == "TestDataStorage":
                     continue
-                data['lifetime'] = act.lifetime.total_seconds()
+                data['lifetime'] = act.lifetime
                 break
             hdds.append(data)
 
diff --git a/ereuse_devicehub/resources/device/models.py b/ereuse_devicehub/resources/device/models.py
index 7081ce49..5d9346a3 100644
--- a/ereuse_devicehub/resources/device/models.py
+++ b/ereuse_devicehub/resources/device/models.py
@@ -346,7 +346,7 @@ class Device(Thing):
 
             if act.type == 'Live':
                 allocate = copy.copy(allo)
-                lifetime = act.usage_time_hdd.total_seconds()
+                lifetime = act.usage_time_hdd
                 allocate['type'] = 'Live'
                 allocate['liveCreate'] = act.created
                 for hd in lifestimes: