diff --git a/lib/modules/inventoryClass/roles-interface.nix b/lib/modules/inventoryClass/roles-interface.nix
index 562e7079f..0f3a437f4 100644
--- a/lib/modules/inventoryClass/roles-interface.nix
+++ b/lib/modules/inventoryClass/roles-interface.nix
@@ -27,7 +27,9 @@ in
       default = { };
     };
     tags = lib.mkOption {
-      type = types.attrsOf (types.submodule { });
+      type = types.coercedTo (types.listOf types.str) (t: lib.genAttrs t (_: { })) (
+        types.attrsOf (types.submodule { })
+      );
       default = { };
     };
     settings =
diff --git a/pkgs/clan-cli/clan_lib/nix_models/clan.py b/pkgs/clan-cli/clan_lib/nix_models/clan.py
index ca542af05..fce261d54 100644
--- a/pkgs/clan-cli/clan_lib/nix_models/clan.py
+++ b/pkgs/clan-cli/clan_lib/nix_models/clan.py
@@ -31,17 +31,10 @@ class InventoryInstanceRoleMachine(TypedDict):
 
 
 
-
-
-class InventoryInstanceRoleTag(TypedDict):
-    pass
-
-
-
 InventoryInstanceRoleExtramodulesType = list[dict[str, Any] | str]
 InventoryInstanceRoleMachinesType = dict[str, InventoryInstanceRoleMachine]
 InventoryInstanceRoleSettingsType = Unknown
-InventoryInstanceRoleTagsType = dict[str, InventoryInstanceRoleTag]
+InventoryInstanceRoleTagsType = dict[str, Any] | list[str]
 
 class InventoryInstanceRole(TypedDict):
     extraModules: NotRequired[InventoryInstanceRoleExtramodulesType]