diff --git a/move.py b/move.py
index 17ad5a1a99..02ddbda919 100644
--- a/move.py
+++ b/move.py
@@ -932,12 +932,12 @@ class Line(ModelSQL, ModelView):
             fiscalyear_ids = list(map(int, fiscalyears))
             where &= period.fiscalyear == fiscalyear_id
             where &= move.date <= date
-        elif fiscalyear_id or period_ids or from_date or to_date:
+        elif fiscalyear_id or period_ids is not None or from_date or to_date:
             if fiscalyear_id:
                 fiscalyear_ids = [fiscalyear_id]
                 where &= fiscalyear.id == fiscalyear_id
-            if period_ids:
-                where &= move.period.in_(period_ids)
+            if period_ids is not None:
+                where &= move.period.in_(period_ids or [None])
             if from_date:
                 where &= move.date >= from_date
             if to_date: