diff --git a/modules/purchase_trade/valuation.py b/modules/purchase_trade/valuation.py
index 736f3cc..ea36166 100644
--- a/modules/purchase_trade/valuation.py
+++ b/modules/purchase_trade/valuation.py
@@ -533,13 +533,14 @@ class ValuationReport(ValuationBase, ModelView):
     @classmethod
     def table_query(cls):
         Valuation = Pool().get('valuation.valuation')
+        Date = Pool().get('ir.date')
         val = Valuation.__table__()
         context = Transaction().context
         valuation_date = context.get('valuation_date')
         strategy = context.get('strategy')
-        wh = True
-        if valuation_date:
-            wh &= (val.date == valuation_date)
+        if not valuation_date:
+            valuation_date = Date.today()
+        wh = (val.date == valuation_date)
         if strategy:
             wh &= (val.strategy == strategy)