diff --git a/ereuse_devicehub/resources/action/views.py b/ereuse_devicehub/resources/action/views.py
index ba727dc3..eb975e18 100644
--- a/ereuse_devicehub/resources/action/views.py
+++ b/ereuse_devicehub/resources/action/views.py
@@ -1,4 +1,5 @@
 from distutils.version import StrictVersion
+from datetime import datetime
 from typing import List
 from uuid import UUID
 
@@ -37,6 +38,8 @@ class ActionView(View):
             return self.transfer_ownership()
         Model = db.Model._decl_class_registry.data[json['type']]()
         action = Model(**a)
+        for d in action.devices:
+            d.updated = datetime.now()
         db.session.add(action)
         db.session().final_flush()
         ret = self.schema.jsonify(action)
@@ -109,6 +112,8 @@ class ActionView(View):
         if snapshot.device.hid is None:
             snapshot.severity = Severity.Warning
         db.session.add(snapshot)
+        for action in snapshot.actions:
+            action.device.updated = datetime.now()
         db.session().final_flush()
         ret = self.schema.jsonify(snapshot)  # transform it back
         ret.status_code = 201
diff --git a/tests/test_action.py b/tests/test_action.py
index ba99996d..ba095685 100644
--- a/tests/test_action.py
+++ b/tests/test_action.py
@@ -238,6 +238,8 @@ def test_generic_action(action_model_state: Tuple[models.Action, states.Trading]
     device, _ = user.get(res=Device, item=snapshot['device']['id'])
     assert device['actions'][-1]['id'] == action['id']
     assert device['physical'] == state.name
+    # Check if the update of device is changed
+    assert snapshot['device']['updated'] != device['updated']
 
 
 @pytest.mark.mvp
diff --git a/tests/test_snapshot.py b/tests/test_snapshot.py
index 707577af..db00d16b 100644
--- a/tests/test_snapshot.py
+++ b/tests/test_snapshot.py
@@ -99,7 +99,7 @@ def test_snapshot_post(user: UserClient):
 
 
 @pytest.mark.mvp
-def test_snapshot_update_timeupdated(user: UserClient):
+def test_snapshot_update_timefield_updated(user: UserClient):
     """
     Tests for check if one computer have the time mark updated when one component of it is updated
     """
@@ -110,9 +110,10 @@ def test_snapshot_update_timeupdated(user: UserClient):
                                                 RateComputer.t),
                                   perform_second_snapshot=False)
     computer2 = file('2-second-device-with-components-of-first.snapshot')
+    pc1_id = snapshot['device']['id']
+    pc1, _ = user.get(res=m.Device, item=pc1_id)
     snapshot_and_check(user, computer2, action_types=('Remove', 'RateComputer'),
                        perform_second_snapshot=False)
-    # import pdb; pdb.set_trace()
     pc1_id = snapshot['device']['id']
     pc1, _ = user.get(res=m.Device, item=pc1_id)
     assert pc1['updated'] != snapshot['updated']
@@ -144,6 +145,7 @@ def test_snapshot_component_add_remove(user: UserClient):
                                    perform_second_snapshot=False)
     pc1_id = snapshot1['device']['id']
     pc1, _ = user.get(res=m.Device, item=pc1_id)
+    update1_pc1 = pc1['updated']
     # Parent contains components
     assert tuple(c['serialNumber'] for c in pc1['components']) == ('p1c1s', 'p1c2s', 'p1c3s')
     # Components contain parent
@@ -166,6 +168,10 @@ def test_snapshot_component_add_remove(user: UserClient):
     pc2_id = snapshot2['device']['id']
     pc1, _ = user.get(res=m.Device, item=pc1_id)
     pc2, _ = user.get(res=m.Device, item=pc2_id)
+    # Check if the update_timestamp is updated
+    update1_pc2 = pc2['updated']
+    update2_pc1 = pc1['updated']
+    assert update1_pc1 != update2_pc1
     # PC1
     assert tuple(c['serialNumber'] for c in pc1['components']) == ('p1c1s', 'p1c3s')
     assert all(c['parent'] == pc1_id for c in pc1['components'])
@@ -188,6 +194,12 @@ def test_snapshot_component_add_remove(user: UserClient):
     snapshot_and_check(user, s3, ('Remove', 'RateComputer'), perform_second_snapshot=False)
     pc1, _ = user.get(res=m.Device, item=pc1_id)
     pc2, _ = user.get(res=m.Device, item=pc2_id)
+    # Check if the update_timestamp is updated
+    update2_pc2 = pc2['updated']
+    update3_pc1 = pc1['updated']
+    assert not update3_pc1 in [update1_pc1, update2_pc1]
+    assert update1_pc2 != update2_pc2
+
     # PC1
     assert {c['serialNumber'] for c in pc1['components']} == {'p1c2s', 'p1c3s'}
     assert all(c['parent'] == pc1_id for c in pc1['components'])
@@ -228,6 +240,11 @@ def test_snapshot_component_add_remove(user: UserClient):
     snapshot_and_check(user, s4, ('RateComputer',), perform_second_snapshot=False)
     pc1, _ = user.get(res=m.Device, item=pc1_id)
     pc2, _ = user.get(res=m.Device, item=pc2_id)
+    # Check if the update_timestamp is updated
+    update3_pc2 = pc2['updated']
+    update4_pc1 = pc1['updated']
+    assert not update4_pc1 in [update1_pc1, update2_pc1, update3_pc1]
+    assert update3_pc2 == update2_pc2
     # PC 0: p1c3s, p1c4s. PC1: p2c1s
     assert {c['serialNumber'] for c in pc1['components']} == {'p1c3s', 'p1c4s'}
     assert all(c['parent'] == pc1_id for c in pc1['components'])