diff --git a/management/commands/import_nk15.py b/management/commands/import_nk15.py
index 40be259..feb8c6f 100644
--- a/management/commands/import_nk15.py
+++ b/management/commands/import_nk15.py
@@ -152,15 +152,21 @@ def import_boutons(cur):
 
 @transaction.atomic
 def import_transaction(cur):
-    cur.execute("SELECT * FROM transactions LEFT JOIN adhesions ON transactions.id = adhesions.idtransaction ORDER BY transaction.id;")
+    cur.execute("SELECT * FROM transactions LEFT JOIN adhesions ON transactions.id = adhesions.idtransaction ORDER BY transactions.id;")
     N = cur.rowcount
     for idx, row in enumerate(cur):
-        update_line(idx,N,row["label"])
+        update_line(idx,N,row["description"])
+        # some date are set to None, use the previous one
+        date = row["date"]
+        if date is None:
+            date = old_date
+        else:
+            old_date = date
         obj_dict = {
 #            "pk": row["id"],
             "destination_id" : MAP_IDBDE[row["destinataire"]],
             "source_id": MAP_IDBDE[row["emetteur"]],
-            "created_at":make_aware(row["date"]),
+            "created_at":make_aware(date),
             "amount":row["montant"],
             "quantity":row["quantite"],
             "reason":row["description"],
@@ -251,24 +257,25 @@ class Command(BaseCommand):
     def handle(self, *args, **kwargs):
         global MAP_IDBDE
         nk15db, nk15user = kwargs['nk15db'], kwargs['nk15user']
-        #reset database.
-        call_command("migrate")
-        call_command("loaddata","initial")
-        self.print_success("reset  nk20 database")
         # connecting to nk15 database
         conn = pg.connect(database=nk15db,user=nk15user)
         cur = conn.cursor(cursor_factory = pge.DictCursor)
 
         if kwargs["comptes"]:
+            #reset database.
+            call_command("migrate")
+            call_command("loaddata","initial")
+            self.print_success("reset  nk20 database")
             import_comptes(cur)
             self.print_success("comptes table imported")
         elif kwargs["map"]:
             filename = kwargs["map"]
-            with open(filename,'w') as fp:
+            with open(filename,'r') as fp:
                 MAP_IDBDE = json.load(fp)
+                MAP_IDBDE = {int(k):int(v) for k,v in MAP_IDBDE.items()}
         if kwargs["save"]:
             filename = kwargs["save"]
-            with open(filename,'r') as fp:
+            with open(filename,'w') as fp:
                 json.dump(MAP_IDBDE,fp,sort_keys=True, indent=2)
                 
         # /!\ need a prober MAP_IDBDE