diff --git a/modules/purchase_trade/purchase.py b/modules/purchase_trade/purchase.py
index a821914..7e51b8d 100755
--- a/modules/purchase_trade/purchase.py
+++ b/modules/purchase_trade/purchase.py
@@ -501,11 +501,11 @@ class Line(metaclass=PoolMeta):
             return LotQt.search([('lot_p','=',self.lots[0].id),('lot_s','>',0)])
 
     def get_date(self,trigger_event):
-        date = None
+        trigger_date = None
         if self.estimated_date:
             trigger_date = [d.estimated_date for d in self.estimated_date if d.trigger == trigger_event]
             trigger_date =  trigger_date[0] if trigger_date else None    
-        return date
+        return trigger_date
 
     def get_tol_min(self,name):
         if self.inherit_tol:
diff --git a/modules/purchase_trade/sale.py b/modules/purchase_trade/sale.py
index ab2c598..9d0a31d 100755
--- a/modules/purchase_trade/sale.py
+++ b/modules/purchase_trade/sale.py
@@ -461,14 +461,14 @@ class SaleLine(metaclass=PoolMeta):
             return LotQt.search([('lot_s','=',self.lots[0].id),('lot_p','>',0)])
 
     def get_date(self,trigger_event):
-        date = None
+        trigger_date = None
         if self.estimated_date:
             logger.info("ESTIMATED_DATE:%s",self.estimated_date)
             trigger_date = [d.estimated_date for d in self.estimated_date if d.trigger == trigger_event]
             logger.info("TRIGGER_DATE:%s",trigger_date)
             logger.info("TRIGGER_EVENT:%s",trigger_event)
             trigger_date =  trigger_date[0] if trigger_date else None    
-        return date
+        return trigger_date
 
     def get_tol_min(self,name):
         if self.inherit_tol: