diff --git a/scripts/gold_mart.py b/scripts/gold_mart.py
index f6ee735..cc990ea 100644
--- a/scripts/gold_mart.py
+++ b/scripts/gold_mart.py
@@ -40,8 +40,10 @@ def build_pnl_flux(year: int) -> Flux:
             CSVSource(filename=f"CRG/crg-{year}.csv"),
             CSVSource(filename=f"banque/banque-{year}.csv"),
         ],
-        transformation=build_pnl,
-        extra_kwrds={"year": year},
+        transformation=Transformation(
+            function=build_pnl,
+            extra_kwrds={"year": year},
+        ),
         destination=Destination(name=f"pnl/{year}"),
     )