diff --git a/modules/creditcooperatif/perso/pages.py b/modules/creditcooperatif/perso/pages.py
index 0fadd383..e5d870b5 100644
--- a/modules/creditcooperatif/perso/pages.py
+++ b/modules/creditcooperatif/perso/pages.py
@@ -103,10 +103,12 @@ class TransactionsJSONPage(BasePage):
     ROW_DEBIT =  -2
 
     def get_transactions(self):
+        seen = set()
         for tr in self.document['exportData'][1:]:
             t = Transaction(0)
             t.parse(tr[self.ROW_DATE], tr[self.ROW_TEXT])
             t.set_amount(tr[self.ROW_CREDIT], tr[self.ROW_DEBIT])
+            t.id = t.unique_id(seen)
             yield t