diff --git a/etgtools/pi_generator.py b/etgtools/pi_generator.py
index 1ee4a130..b1507d0a 100644
--- a/etgtools/pi_generator.py
+++ b/etgtools/pi_generator.py
@@ -82,7 +82,7 @@ typing_imports = """\
 from __future__ import annotations
 from collections.abc import Callable
 from enum import IntEnum, IntFlag, auto
-from typing import Any, overload, TypeAlias, TypeVar, ParamSpec, Generic, Union, Optional
+from typing import Any, overload, TypeAlias, TypeVar, ParamSpec, Generic, Union, Optional, List
 
 """
 
diff --git a/etgtools/tweaker_tools.py b/etgtools/tweaker_tools.py
index 32f7fef7..2235426d 100644
--- a/etgtools/tweaker_tools.py
+++ b/etgtools/tweaker_tools.py
@@ -213,11 +213,11 @@ class FixWxPrefix(object):
         if type_name.startswith('Vector<') and type_name.endswith('>'):
             # Special handling for 'Vector<type>' types
             type_name = self.cleanType(type_name[7:-1])
-            return f'list[{type_name}]'
+            return f'List[{type_name}]'
         if type_name.startswith('Array'):
             type_name = self.cleanType(type_name[5:])
             if type_name:
-                return f'list[{type_name}]'
+                return f'List[{type_name}]'
             else:
                 return 'list'
         return type_map.get(type_name, type_name)