diff --git a/modules/creditmutuel/pages.py b/modules/creditmutuel/pages.py
index 30762185a532b9b38c6817e28a5752396ef6ef86..7e6162e44bab4563504f3cd63f939681975ee4f6 100644
--- a/modules/creditmutuel/pages.py
+++ b/modules/creditmutuel/pages.py
@@ -1994,7 +1994,7 @@ def obj_balance(self):
                     async_page = Async('details').loaded_page(self)
                     return MyDecimal(
                         Format('-%s',CleanText('//main[@id="ei_tpl_content"]/div/div[2]/table//tr[2]/td[1]')))(async_page)
-                return Field('used_amount')(self)
+                return -Field('used_amount')(self)
 
             def obj_available_amount(self):
                 if self.async_load: