diff --git a/addons/hr_timesheet_sheet/__terp__.py b/addons/hr_timesheet_sheet/__terp__.py
index c2518bcc151..40f88a506d9 100644
--- a/addons/hr_timesheet_sheet/__terp__.py
+++ b/addons/hr_timesheet_sheet/__terp__.py
@@ -23,7 +23,7 @@ The validation can be configured in te company:
 * Period size (day, week, month, year)
 * Maximal difference between timesheet and attendances
 	""",
-	"depends" : ["hr_timesheet", "hr_timesheet_project", "hr_timesheet_invoice"],
+	"depends" : ["base", "hr_timesheet", "hr_timesheet_project", "hr_timesheet_invoice"],
 	"init_xml" : [],
 	"demo_xml" : ["hr_timesheet_sheet_demo.xml",],
 	"update_xml" : ["hr_timesheet_sheet_view.xml", "hr_timesheet_workflow.xml"],