diff --git a/addons/purchase/report/purchase_report.py b/addons/purchase/report/purchase_report.py
index 4ab6251c7a2..f4bd4fee425 100644
--- a/addons/purchase/report/purchase_report.py
+++ b/addons/purchase/report/purchase_report.py
@@ -78,7 +78,7 @@ class purchase_report(osv.osv):
                     to_char(s.date_order, 'YYYY-MM-DD') as day,
                     s.state,
                     s.date_approve,
-                    date_trunc('day',s.minimum_planned_date) as expected_date,
+                    s.minimum_planned_date as expected_date,
                     s.dest_address_id,
                     s.pricelist_id,
                     s.validator,
@@ -117,7 +117,7 @@ class purchase_report(osv.osv):
                     s.date_approve,
                     l.date_planned,
                     l.product_uom,
-                    date_trunc('day',s.minimum_planned_date),
+                    s.minimum_planned_date,
                     s.pricelist_id,
                     s.validator,
                     s.dest_address_id,
@@ -129,7 +129,7 @@ class purchase_report(osv.osv):
                     to_char(s.date_order, 'YYYY-MM-DD'),
                     s.state,
                     s.warehouse_id,
-                    u.uom_type, 
+                    u.uom_type,
                     u.category_id,
                     t.uom_id,
                     u.id,