diff --git a/addons/stock/procurement.py b/addons/stock/procurement.py
index 3402aa6a8b7..2841fb8c0e1 100644
--- a/addons/stock/procurement.py
+++ b/addons/stock/procurement.py
@@ -90,7 +90,7 @@ class procurement_rule(osv.osv):
 class procurement_order(osv.osv):
     _inherit = "procurement.order"
     _columns = {
-        'location_id': fields.many2one('stock.location', 'Procurement Location', required=True),
+        'location_id': fields.many2one('stock.location', 'Procurement Location'),  # not required because task may create procurements that aren't linked to a location with project_mrp
         'move_ids': fields.one2many('stock.move', 'procurement_id', 'Moves', help="Moves created by the procurement"),
         'move_dest_id': fields.many2one('stock.move', 'Destination Move', help="Move which caused (created) the procurement"),
     }