diff --git a/addons/stock/models/stock_move.py b/addons/stock/models/stock_move.py
index 5fe1712add2..01cff383010 100644
--- a/addons/stock/models/stock_move.py
+++ b/addons/stock/models/stock_move.py
@@ -126,7 +126,7 @@ class StockMove(models.Model):
     scrapped = fields.Boolean(
         'Scrapped', related='location_dest_id.scrap_location', readonly=True, store=True)
     scrap_ids = fields.One2many('stock.scrap', 'move_id')
-    group_id = fields.Many2one('procurement.group', 'Procurement Group', default=_default_group_id)
+    group_id = fields.Many2one('procurement.group', 'Procurement Group', default=_default_group_id, index=True)
     rule_id = fields.Many2one(
         'stock.rule', 'Stock Rule', ondelete='restrict', help='The stock rule that created this stock move',
         check_company=True)