diff --git a/addons/project_issue/report/project_issue_report.py b/addons/project_issue/report/project_issue_report.py
index bd0bdf4346b..1566f2e6692 100644
--- a/addons/project_issue/report/project_issue_report.py
+++ b/addons/project_issue/report/project_issue_report.py
@@ -49,7 +49,7 @@ class project_issue_report(osv.osv):
                     c.working_hours_close,
                     c.team_id,
                     c.stage_id,
-                    date(c.date_closed) as date_closed,
+                    c.date_closed as date_closed,
                     c.company_id as company_id,
                     c.priority as priority,
                     c.project_id as project_id,