diff --git a/trytond/ir/lang.py b/trytond/ir/lang.py
index a097e9622d..1d564a41c9 100644
--- a/trytond/ir/lang.py
+++ b/trytond/ir/lang.py
@@ -452,6 +452,7 @@ class Lang(DeactivableMixin, ModelSQL, ModelView):
             if seps:
                 formatted = _strip_padding(formatted, seps)
         elif percent[-1] in 'diu':
+            seps = 0
             if grouping:
                 formatted, seps = self._group(formatted, monetary=monetary)
             if seps: