diff --git a/pkgs/clan-cli/clan_lib/clan/get.py b/pkgs/clan-cli/clan_lib/clan/get.py
index f3ac702da..3ab7d4315 100644
--- a/pkgs/clan-cli/clan_lib/clan/get.py
+++ b/pkgs/clan-cli/clan_lib/clan/get.py
@@ -7,7 +7,7 @@ from clan_lib.machines.actions import FieldSchema
 from clan_lib.nix_models.clan import InventoryMeta
 from clan_lib.persist.introspection import retrieve_typed_field_names
 from clan_lib.persist.inventory_store import InventoryStore
-from clan_lib.persist.write_rules import is_writeable_key
+from clan_lib.persist.write_rules import is_readonly_key
 
 log = logging.getLogger(__name__)
 
@@ -57,7 +57,7 @@ def get_clan_details_schema(flake: Flake) -> dict[str, FieldSchema]:
 
     return {
         field: {
-            "readonly": not is_writeable_key(f"meta.{field}", write_info),
+            "readonly": is_readonly_key(f"meta.{field}", write_info),
             # TODO: Provide a meaningful reason
             "reason": None,
             "readonly_members": [],
diff --git a/pkgs/clan-cli/clan_lib/machines/actions.py b/pkgs/clan-cli/clan_lib/machines/actions.py
index 63803ff10..1d117c553 100644
--- a/pkgs/clan-cli/clan_lib/machines/actions.py
+++ b/pkgs/clan-cli/clan_lib/machines/actions.py
@@ -18,7 +18,7 @@ from clan_lib.persist.path_utils import (
     list_difference,
     set_value_by_path,
 )
-from clan_lib.persist.write_rules import is_writeable_key
+from clan_lib.persist.write_rules import is_readonly_key
 
 
 @dataclass
@@ -195,7 +195,7 @@ def get_machine_fields_schema(machine: Machine) -> dict[str, FieldSchema]:
             "readonly": (
                 True
                 if field in protected_fields
-                else not is_writeable_key(
+                else is_readonly_key(
                     f"machines.{machine.name}.{field}",
                     write_info,
                 )
diff --git a/pkgs/clan-cli/clan_lib/persist/validate.py b/pkgs/clan-cli/clan_lib/persist/validate.py
index bd79207f0..6d09a6a87 100644
--- a/pkgs/clan-cli/clan_lib/persist/validate.py
+++ b/pkgs/clan-cli/clan_lib/persist/validate.py
@@ -7,7 +7,7 @@ from clan_lib.persist.path_utils import (
     path_starts_with,
     path_to_string,
 )
-from clan_lib.persist.write_rules import AttributeMap, is_writeable_path
+from clan_lib.persist.write_rules import AttributeMap, is_readonly_path
 
 
 def validate_no_static_deletion(
@@ -22,7 +22,7 @@ def validate_no_static_deletion(
 
 def validate_not_readonly(path: PathTuple, writeables: AttributeMap) -> None:
     """Validate that a path is writeable."""
-    if not is_writeable_path(path, writeables):
+    if is_readonly_path(path, writeables):
         msg = f"Path '{path_to_string(path)}' is readonly. - It seems its value is statically defined in nix."
         raise ClanError(msg)
 
diff --git a/pkgs/clan-cli/clan_lib/persist/write_rules.py b/pkgs/clan-cli/clan_lib/persist/write_rules.py
index 9918fe9ea..47b1597ce 100644
--- a/pkgs/clan-cli/clan_lib/persist/write_rules.py
+++ b/pkgs/clan-cli/clan_lib/persist/write_rules.py
@@ -16,7 +16,7 @@ class PersistenceAttribute(Enum):
 type AttributeMap = dict[PathTuple, set[PersistenceAttribute]]
 
 
-def is_writeable_path(
+def is_readonly_path(
     key: PathTuple,
     attributes: AttributeMap,
 ) -> bool:
@@ -30,9 +30,9 @@ def is_writeable_path(
         current_path = remaining
         if current_path in attributes:
             if PersistenceAttribute.WRITE in attributes[current_path]:
-                return True
-            if PersistenceAttribute.READONLY in attributes[current_path]:
                 return False
+            if PersistenceAttribute.READONLY in attributes[current_path]:
+                return True
         # Check the parent path
         remaining = remaining[:-1]
 
@@ -40,7 +40,7 @@ def is_writeable_path(
     raise ClanError(msg)
 
 
-def is_writeable_key(
+def is_readonly_key(
     key: str,
     attributes: AttributeMap,
 ) -> bool:
@@ -51,7 +51,7 @@ def is_writeable_key(
     In case of ambiguity use is_writeable_path with tuple keys.
     """
     items = key.split(".")
-    return is_writeable_path(tuple(items), attributes)
+    return is_readonly_path(tuple(items), attributes)
 
 
 def get_priority(value: Any) -> int | None: