diff --git a/scripts/gold_mart.py b/scripts/gold_mart.py
index 450b789..f6ee735 100644
--- a/scripts/gold_mart.py
+++ b/scripts/gold_mart.py
@@ -18,7 +18,7 @@ logger.setLevel(logging.DEBUG)
 
 
 def build_lots(dfs: list[pd.DataFrame]) -> pd.DataFrame:
-    df = dfs[0]
+    df = pd.concat(dfs)
     df = df.assign(
         Impact=df["Crédit"] - df["Débit"],
     )