diff --git a/src/impunity/wrapper.py b/src/impunity/wrapper.py
index 8fb4311..eeaa5e2 100644
--- a/src/impunity/wrapper.py
+++ b/src/impunity/wrapper.py
@@ -203,7 +203,7 @@ def deco_f(fun: F) -> F:
                         origin_method.__code__.co_filename,
                         origin_method.__code__.co_name,
                         origin_method.__code__.co_firstlineno,
-                        new_method.__code__.co_lnotab,
+                        co_lnotab,
                         origin_method.__code__.co_freevars,
                         origin_method.__code__.co_cellvars,
                     )