diff --git a/scaleway-async/scaleway_async/k8s/v1/marshalling.py b/scaleway-async/scaleway_async/k8s/v1/marshalling.py
index c7ba7bf54..0830dc7a4 100644
--- a/scaleway-async/scaleway_async/k8s/v1/marshalling.py
+++ b/scaleway-async/scaleway_async/k8s/v1/marshalling.py
@@ -470,12 +470,6 @@ def unmarshal_Cluster(data: Any) -> Cluster:
     else:
         args["apiserver_cert_sans"] = []
 
-    field = data.get("acl_available", None)
-    if field is not None:
-        args["acl_available"] = field
-    else:
-        args["acl_available"] = False
-
     field = data.get("iam_nodes_group_id", None)
     if field is not None:
         args["iam_nodes_group_id"] = field
@@ -514,6 +508,12 @@ def unmarshal_Cluster(data: Any) -> Cluster:
     else:
         args["commitment_ends_at"] = None
 
+    field = data.get("acl_available", None)
+    if field is not None:
+        args["acl_available"] = field
+    else:
+        args["acl_available"] = None
+
     return Cluster(**args)
 
 
diff --git a/scaleway-async/scaleway_async/k8s/v1/types.py b/scaleway-async/scaleway_async/k8s/v1/types.py
index ef2d2a05d..1e040124f 100644
--- a/scaleway-async/scaleway_async/k8s/v1/types.py
+++ b/scaleway-async/scaleway_async/k8s/v1/types.py
@@ -814,11 +814,6 @@ class Cluster:
     Additional Subject Alternative Names for the Kubernetes API server certificate.
     """
 
-    acl_available: bool
-    """
-    Defines whether ACL is available on the cluster.
-    """
-
     iam_nodes_group_id: str
     """
     IAM group that nodes are members of (this field might be empty during early stage of cluster creation).
@@ -874,6 +869,11 @@ class Cluster:
     Date on which it will be possible to switch to a smaller offer.
     """
 
+    acl_available: Optional[bool] = None
+    """
+    Defines whether ACL is available on the cluster.
+    """
+
 
 @dataclass
 class Node:
diff --git a/scaleway/scaleway/k8s/v1/marshalling.py b/scaleway/scaleway/k8s/v1/marshalling.py
index c7ba7bf54..0830dc7a4 100644
--- a/scaleway/scaleway/k8s/v1/marshalling.py
+++ b/scaleway/scaleway/k8s/v1/marshalling.py
@@ -470,12 +470,6 @@ def unmarshal_Cluster(data: Any) -> Cluster:
     else:
         args["apiserver_cert_sans"] = []
 
-    field = data.get("acl_available", None)
-    if field is not None:
-        args["acl_available"] = field
-    else:
-        args["acl_available"] = False
-
     field = data.get("iam_nodes_group_id", None)
     if field is not None:
         args["iam_nodes_group_id"] = field
@@ -514,6 +508,12 @@ def unmarshal_Cluster(data: Any) -> Cluster:
     else:
         args["commitment_ends_at"] = None
 
+    field = data.get("acl_available", None)
+    if field is not None:
+        args["acl_available"] = field
+    else:
+        args["acl_available"] = None
+
     return Cluster(**args)
 
 
diff --git a/scaleway/scaleway/k8s/v1/types.py b/scaleway/scaleway/k8s/v1/types.py
index ef2d2a05d..1e040124f 100644
--- a/scaleway/scaleway/k8s/v1/types.py
+++ b/scaleway/scaleway/k8s/v1/types.py
@@ -814,11 +814,6 @@ class Cluster:
     Additional Subject Alternative Names for the Kubernetes API server certificate.
     """
 
-    acl_available: bool
-    """
-    Defines whether ACL is available on the cluster.
-    """
-
     iam_nodes_group_id: str
     """
     IAM group that nodes are members of (this field might be empty during early stage of cluster creation).
@@ -874,6 +869,11 @@ class Cluster:
     Date on which it will be possible to switch to a smaller offer.
     """
 
+    acl_available: Optional[bool] = None
+    """
+    Defines whether ACL is available on the cluster.
+    """
+
 
 @dataclass
 class Node: