diff --git a/addons/mrp/models/stock_move.py b/addons/mrp/models/stock_move.py
index 1e009737055..1f608376b5a 100644
--- a/addons/mrp/models/stock_move.py
+++ b/addons/mrp/models/stock_move.py
@@ -69,9 +69,9 @@ class StockMove(models.Model):
 
     created_production_id = fields.Many2one('mrp.production', 'Created Production Order', check_company=True)
     production_id = fields.Many2one(
-        'mrp.production', 'Production Order for finished products', check_company=True)
+        'mrp.production', 'Production Order for finished products', check_company=True, index=True)
     raw_material_production_id = fields.Many2one(
-        'mrp.production', 'Production Order for components', check_company=True)
+        'mrp.production', 'Production Order for components', check_company=True, index=True)
     unbuild_id = fields.Many2one(
         'mrp.unbuild', 'Disassembly Order', check_company=True)
     consume_unbuild_id = fields.Many2one(