diff --git a/sale_list_price.diff b/sale_list_price.diff
new file mode 100644
index 0000000..691eff6
--- /dev/null
+++ b/sale_list_price.diff
@@ -0,0 +1,21 @@
+diff -r 656db55c90c0 trytond/trytond/modules/sale/product.py
+--- a/trytond/trytond/modules/sale/product.py	Sat Jan 26 01:12:51 2019 +0100
++++ b/trytond/trytond/modules/sale/product.py	Wed Feb 06 16:31:25 2019 +0100
+@@ -1,7 +1,7 @@
+ # This file is part of Tryton.  The COPYRIGHT file at the top level of
+ # this repository contains the full copyright notices and license terms.
+ import datetime
+-
++from decimal import Decimal
+ from trytond.model import fields
+ from trytond.pyson import Eval
+ from trytond.pool import Pool, PoolMeta
+@@ -137,7 +137,7 @@
+         user = User(Transaction().user)
+
+         for product in products:
+-            prices[product.id] = product.list_price
++            prices[product.id] = product.list_price or Decimal(0)
+             if uom and product.default_uom.category == uom.category:
+                 prices[product.id] = Uom.compute_price(
+                     product.default_uom, prices[product.id], uom)
diff --git a/series b/series
index 0de62b5..a432f5b 100644
--- a/series
+++ b/series
@@ -27,3 +27,5 @@ issue7856.diff # [stock] Can't move qty from a parent location to child location
 
 issue8038.diff # [sale_supply_drop_shipment] Crash when process a purchase from purchase request created from a sale
 issue8058.diff # [stock_supply_production] Can't create productions from request because exceeds digits limit
+
+sale_list_price.diff # [sale] Can't convert to currency with list price is null (multicompany)