diff --git a/dcs/frames/__init__.py b/dcs/frames/__init__.py
index 4e5dd51..533546c 100644
--- a/dcs/frames/__init__.py
+++ b/dcs/frames/__init__.py
@@ -7,9 +7,12 @@
 from typing import List, Type
 from . import base
 
+from .ch02_phasor import Ch02PhasorWindow
+
 
 def get_windows() -> List[Type[base.Window]]:
     return [
+        Ch02PhasorWindow,
     ]