diff --git a/addons/mrp/test/mrp_packs.yml b/addons/mrp/test/mrp_packs.yml
index ca3453f94e6..6b3fbd08fba 100644
--- a/addons/mrp/test/mrp_packs.yml
+++ b/addons/mrp/test/mrp_packs.yml
@@ -87,7 +87,7 @@
   converted to a picking of 24 beers and a pack of beer, so that my
   stock of beers remains exact.
 -
-  !assert {model: stock.picking, id: picking_out}:
+  !assert {model: stock.picking, id: picking_out, string:pack_of_beer_splitted}:
     - len(move_lines) == 2
     - move_lines[0].product_id.id <> move_lines[1].product_id.id
     - move_lines[0].product_id.id in (ref('product_product_beers0'), ref('product_product_beerspack0'))