diff --git a/Changelog.md b/Changelog.md
index 6b88a73..2ab3653 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -2,10 +2,6 @@
 
 ## [Unreleased]
 
-### Fixed
-
-- Use `NB_CLUSTER_ID` even for VM update.
-
 ## [0.2.1] - 01/05/2025
 
 ### Fixed
diff --git a/netbox_pve_sync/__init__.py b/netbox_pve_sync/__init__.py
index 3cbb4d2..a3ef3ec 100644
--- a/netbox_pve_sync/__init__.py
+++ b/netbox_pve_sync/__init__.py
@@ -143,7 +143,7 @@ def _process_pve_virtual_machine(
     else:
         nb_virtual_machine.name = _pve_virtual_machine['name']
         nb_virtual_machine.site = _nb_device.site.id
-        nb_virtual_machine.cluster = os.environ.get('NB_CLUSTER_ID', 1)
+        nb_virtual_machine.cluster = 1
         nb_virtual_machine.device = _nb_device.id
         nb_virtual_machine.vcpus = pve_virtual_machine_config['cores']
         nb_virtual_machine.memory = int(pve_virtual_machine_config['memory'])