diff --git a/main.py b/main.py
index a1bd4fc..89d494b 100644
--- a/main.py
+++ b/main.py
@@ -231,6 +231,7 @@ class ClercAttrib2Biz():
         self.count_facture = 0
         self.a_index = {"invoice": [], "intervention": [], "patient": [], "debtor": [], "articles": [],  "global": []}
         self.index_counter = 0
+        self.bs_counter = 70
 
         self.a_listings = {}
         self.export_filename = "export.csv"
@@ -500,7 +501,7 @@ class ClercAttrib2Biz():
                         sHRF = article["line_1"].replace("h", ":")
                         print(f"pass HRF => {data.Patient['fip_number']}")
                         break
-                x += 1
+                self.bs_counter += 1
                 csv_col = cls_Col(True)
 
                 ##Donnée globales
@@ -641,7 +642,7 @@ class ClercAttrib2Biz():
                 csv_col.data[63] = 0
 
                 csv_col.data[69] = "Libre"
-                csv_col.data[70] = "BS - " + str(x)
+                csv_col.data[70] = "BS - " + str(self.bs_counter)
                 csv_col.data[72] = "BU - 73 - aff"
                 csv_col.data[73] = 0