diff --git a/nmigen/hdl/xfrm.py b/nmigen/hdl/xfrm.py
index 11bfd2a..4c96b7c 100644
--- a/nmigen/hdl/xfrm.py
+++ b/nmigen/hdl/xfrm.py
@@ -698,4 +698,5 @@ class EnableInserter(_ControlInserter):
         return new_fragment
 
 
-CEInserter = deprecated("instead of `CEInserter`, use `EnableInserter`")(EnableInserter)
+CEInserter = staticmethod(
+    deprecated("instead of `CEInserter`, use `EnableInserter`")(EnableInserter))